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This Post is about Gate ME solved papers :
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Gate 1991 Solved Mechanical Question Paper pdf   Gate...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/gate-solved-mechanical-question-papers/" aria-label="View Post: Gate Solved Mechanical Question Papers 1991-2014">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Gate Solved Mechanical Question Papers 1991-2014","url":"\/\/m.gunkrazy.com\/gate-solved-mechanical-question-papers\/","articleBody":"Gate 2019 - Solved Mechanical Question Papers\r\nThis Post is about Gate ME solved papers :\r\nClick here to Download all Mechanical Gate Papers\r\nGate 1991 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 1992 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 1993 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 1994 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 1995 Solved Mechanical Question Paper pdf\r\n\r\nGate 1996 Solved Mechanical Question Paper pdf\u00a0\u00a0\r\n\r\nGate 1997 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 1998 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 1999 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 2000 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 2001 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 2002 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 2003 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 2004 Solved Mechanical Question Paper pdf\u00a0\r\n\r\n\u00a0Gate 2005 Solved Mechanical Question Paper pdf\u00a0\r\nGate 2006 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 2007 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 2008 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 2009 Solved Mechanical Question Paper pdf\u00a0\r\n\r\nGate 2010 Solved Mechanical Question Paper pdf\u00a0\r\n\r\n\r\n\r\nGate 2011 Solved Mechanical Question Paper pdf\r\n\r\n\u00a0Gate 2012 Solved Mechanical Question Paper pdf\r\n\r\nGate 2013 Solved Mechanical Question Paper pdf\r\n\r\nGate 2014 Solved Mechanical Question Paper pdf\r\n\r\n\r\n\r\n\u00a0Gate Question Paper with answer keys\u00a0\r\n\r\n1) Gate Mechanical Question Papers\u00a0 1991-2014.zip- Click here to Download\r\n\r\nfile size:15 mb\r\n\r\nNote: Post will Update Soon....\r\n\r\n\r\n\r\n\r\n\r\nMore Resources \/articles\r\nCAD Software | CAD Tutorials\r\nMechanical Subjectwise Basic Concept Notes ,Articles\r\nNew Mechanical Projects 2020 ( All Projects Post Index List )\r\n\r\n\r\n\r\n&nbsp;","headline":"Gate Solved Mechanical Question Papers 1991-2014","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-03-17","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"","height":0,"width":0},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal no-thumb"><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//m.gunkrazy.com/classification-of-ic-engine/">Classification Of I.C. Engine</a></p></header><div class="excerpt"><p>Classification Of I.C. Engine
Heat engines are otherwise called Thermal Engines. It is a machine which converts heat energy in to useful mechanical work. Heat engines develop more than 80% the...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/classification-of-ic-engine/" aria-label="View Post: Classification Of I.C. Engine">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Classification Of I.C. Engine","url":"\/\/m.gunkrazy.com\/classification-of-ic-engine\/","articleBody":"Classification Of I.C. Engine\r\nHeat engines are otherwise called Thermal Engines. It is a machine which converts heat energy in to useful mechanical work. Heat engines develop more than 80% the energy generated in the world. \r\n\r\nHeat engines can be broadly classified into two categories\u00a0\r\n\r\n(i) External combustion engine:\r\nAn engine in which combustion of fuel takes place outside the engine cylinder is called external combustion engine. These engines are generally called EC engines.\u00a0\r\nEx: Steam engines, steam turbines, closed cycle gas turbine etc.\u00a0\r\n(ii) Internal combustion engine:\r\nAn engine in which combustion of fuel takes place inside the engine cylinder is called internal combustion engine. These engines are generally called IC engines.\r\n\u00a0Ex: Petrol engine, diesel engine, gas engine etc.\r\n\r\n\r\nThe following are the most important ways of classification of I.C. engines:\r\n\r\n\r\n\r\n\r\n(i) According to the type of fuel used\u00a0\r\n(a) Petrol engines: In this type of engines, the fuel used is petrol.\u00a0\r\n(b) Diesel engines: In this type of engines, the fuel used is diesel.\u00a0\r\n(c) Gas engines: In this type of engines, the gaseous fuels like natural gas, biogas, are used.\r\n(d) Bi-fuel engines: These engines use a mixture of two fuels.\r\n(ii) According to the number of strokes per cycle\u00a0\r\n(a) 4-stroke engine: In this type of engines, the working cycle is completed in four different strokes. \r\n\r\n(b) 2-stroke engine: In this type of engines, the working cycle is completed in two different strokes.\u00a0\r\n(iii) According to the method of ignition\r\n(a) Spark ignition engine (S.I.Engine):In this type of engines, fuel is ignited by an electric spark generated by a spark plug.\u00a0\r\n(b) Compression ignition engine (C.I. Engine): In this type of engines, the fuel gets ignited as it comes in contact with the hot compressed air.\u00a0\r\n(iv) According to the cycle of combustion\r\n(a) Otto cycle engine: In this type of engines, combustion of fuel takes place at constant volume\u00a0\r\n(b) Diesel cycle engine:In this type of engines, combustion of fuel takes place at constant pressure \r\n\r\n(c) Duel combustion engine: In this type of engines, combustion of fuel first takes place at constant volume and then at constant pressure\r\n(v) According to the number of cylinders\u00a0\r\n&nbsp;\r\n\r\n(a) Single cylinder engine:This type of engines consists of only one cylinder.\u00a0\r\n(b) Multi cylinder engine:This type of engines consists of 2, 3, 4, 6 or 8 cylinders\r\n(vi) According to the arrangement of cylinders\u00a0\r\n&nbsp;\r\n\r\n(a) Vertical engine:In this type of engines, the cylinder is arranged in a vertical position\u00a0\r\n(b) Horizontal engine:In this type of engines, cylinder is arranged in horizontal position.\r\n(c) Inline engine:In this type of engines, cylinders are arranged in line\r\n\u00a0(d) Radial engine:In this type of engines, cylinders are arranged along the circumference of a circle. (e) V-engine: In this type of engines, combination of two inline engines equally set an angle.\r\n(vii) According to the method of cooling\r\n(a) Air cooled engine:In this type of engines, the heated cylinder walls are cooled by continuous flow of air\u00a0\r\n(b) Water cooled engine: In this type of engines, water is used for cooling the heated cylinder walls.\r\n\r\n\r\n\r\n\r\n\r\nMore Resources \/articles\r\nIC Engine Articles , Notes , Question and Answer\r\nCAD Software | CAD Tutorials\r\nMechanical Subjectwise Basic Concept Notes ,Articles\r\n\r\n\r\n\r\n&nbsp;","headline":"Classification Of I.C. Engine","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-03-17","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"","height":0,"width":0},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal no-thumb"><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//m.gunkrazy.com/100-ic-engine-and-automobile-technica/">100 IC engine and Automobile Technical Questions</a></p></header><div class="excerpt"><p>100 IC engine and Automobile Technical Questions
1. Which is not the common component between a petrol and diesel engine?
Ans: Ignition Oil  2. Highest useful compression ratio is the compression...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/100-ic-engine-and-automobile-technica/" aria-label="View Post: 100 IC engine and Automobile Technical Questions">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"100 IC engine and Automobile Technical Questions","url":"\/\/m.gunkrazy.com\/100-ic-engine-and-automobile-technica\/","articleBody":"100 IC engine and Automobile Technical Questions\r\n1. Which is not the common component between a petrol and diesel engine?\r\nAns: Ignition Oil\r\n\r\n2. Highest useful compression ratio is the compression ratio at which the engine\r\nAns: Can operate without detonation\r\n\r\n3. The purpose of a condenser in the ignition system of petrol engine is to :\r\nAns: Avoid arcing across the contact breaker points\r\n\r\n4. Higher octane rating of a SI engine fuel indicates that the fuel has:\r\nAns: Longer ignition delay\r\n\r\n5. Knocking tendency in a SI engine reduces with increasing:\r\nAns: Engine speed\r\n\r\n6. Reference fuels used for cetane rating of CI engines fuels would include\r\nAns: Cetane and alpha-methyl naphthalene\r\n\r\n7. Octane number of LPG fuel is :\r\nAns: Higher than iso-octane\r\n\r\n8. Accumulation of carbon deposit on combustion chamber of an IC engine leads to increase in :\r\nAns: Compression ratio\r\n\r\n9. In a Diesel cycle, heat rejection takes place at :\r\nAns: Constant volume\r\n\r\n10. A Hook\u2019s joint in a automobile transmission system is preferred when the driving and driven shafts are:\r\nAns: Non-parallel and intersecting\r\n\r\n11. Reboring of an engine cylinder to the next oversize would slightly\r\nAns: Increase the stroke volume\r\n\r\n12. The standard firing order of a six cylinder in line left hand crank shaft is :\r\nAns:1-4-2-6-3-5\r\n\r\n13. Cylinder block construction by mono-block is preferred to individual cylinder construction because of?\r\n(a)Compact engine size\r\n(b)Easy manufacturing operations\r\n(c)Better water sealed joints\r\n(d)All of the above\r\nAns: (d)\r\n\r\n14. A loose fit between a dry cylinder liner and cylinder block would cause:\r\nAns: High operating temperatures\r\n\r\n15. The part of a piston intended to strengthen the position head so as to withstand the force of explosion is :\r\nAns: Piston web\r\n\r\n16. In case of offset pistons, the piston pin hole axis is made offset from the cylinder centerline towards the :\r\nAns: Major or minor thrust side\r\n\r\n17. All of the following are the merits of a side valve(L.head) operating mechanism, except-\r\n(a)High volumetric efficiency\r\n(b)Low engine Height\r\n(c) Low production cost\r\n(d)Silent operation\r\nAns: High volumetric efficiency\r\n\r\n18. Bent of a valve stem can be straightened by :\r\n(a)Valve stem straighter\r\n(b)Valve stem grinder\r\n(c) Dial gauge\r\n(d)None of the above\r\nAns: (d)\r\n\r\n19. What could be the probable reason of necking of valve stem?\r\nAns: Leakage of gases at valve seat.\r\n\r\n20. Engine lubricating oil pump is usually driven by a?\r\nAns: Camshaft gear\r\n\r\n21. The purpose of a radiator pressure cap is to maintain the working pressure of a water cooling system.\r\nAns: Higher than the atmospheric pressure\r\n\r\n22. Which is not an advantage of multi cylinder air cooled engines when compared to multi cylinder water cooled engines?\r\nAns: Maintains uniform cooling all around the cylinders\r\n\r\n23. The part of an overhead valve mechanism arranged between the valve tappet and rocker arm is :\r\nAns: Push rod\r\n\r\n24. Specific gravity of a lubricating oil can be determined by a?\r\nAns: Hydro meter\r\n\r\n25. A manual method commonly used for measuring the engine lubricating oil level is :\r\nAns: An oil dipstick\r\n26. Engine lubricating oil pumps are usually positive displacement types because they are suitable for?\r\nAns: High pressure ratios.\r\n\r\n27. In a positive crank case ventilation system , the blow by gases drawn from the crankcase is fed to the :\r\nAns: Inlet manifold\r\n\r\n28. The part of a carburetor where air velocity is the maximum is called?\r\nAns: Venturi\r\n\r\n29. A petrol engine requires a lean air fuel mixture at:\r\nAns: Cruising\r\n\r\n30. Which one of the following carburetors does not contain separate accelerating pump circuit?\r\n(a) Solex Carburetor (b)Zenith Carburetor\r\n(c) Carter Carburetor (d)SU Carburetor\r\nAns: (d) SU carburetor\r\n\r\n31. In carburetors, compensating devices are used to provide?\r\nAns: Correct proportions of fuel air mixture at all speeds\r\n\r\n32. Which is not correct as regards to an open type combustion chamber?\r\nAns: Smooth running\r\n\r\n33. Multi-hole type diesel injectors are generally employed in :\r\nAns: Open combustion chambers\r\n\r\n34. The testing and adjustment of a diesel injection pump for the accuracy of its firing interval is known as :\r\nAns: Phasing\r\n\r\n35. All of the following parameters hamper knocking tendency in a compression ignition engine except:\r\n(a)Early injection fuel (b)Higher compression ratio\r\n(c) High engine load (d) High inlet pressure and temperature\r\nAns: (a) Early injection fuel\r\n\r\n36. In a can type ignition coil, the secondary winding is first wound over:\r\nAns: A laminated iron core\r\n\r\n37. Vacuum advance mechanism for ignition advance in a petrol engine performs effectively at :\r\nAns: Part throttle opening\r\n\r\n38. Insufficient contact breaker gap results in :\r\nAns: Engine misfiring at high speeds\r\n\r\n39. Spark plug gap is generally measured by a :\r\nAns: Feelex gauge\r\n\r\n40. The negative plate of a fully discharged lead acid battery contains:\r\nAns: PbSo4\r\n\r\n41. The state of charge of a lead acid battery under actual operating conditions can be tested by :\r\nAns: A hydrometer\r\n\r\n42. Cracked cell covers of a lead acid battery is a symptom of :\r\nAns: Overcharged battery\r\n\r\n43. Output of alternators employed in automobile electrical system is regulated by a :\r\nAns: voltage regulator\r\n\r\n44. In an alternator the electromotive force is induced in the :\r\nAns: Stator windings\r\n\r\n45. D.C.Generators used in automobiles are usually of :\r\nAns: Self excited type\r\n\r\n46. In a d.c,. generator, the effect of the flux produced by the armature current on the main magnetic field flux is called:\r\nAns: Armature reaction\r\n\r\n47. Which is not the common component between a d.c. generator and an alternator?\r\nAns: Commutator\r\n\r\n48. The voltage regulator in the combined voltage and current regulator of a d.c charging circuit contains\r\nAns: Shunt and series winding\r\n\r\n49. An electric motor is a prime mover which converts\r\nAns: Electrical energy into mechanical energy\r\n\r\n50. D.C.series motors are widely employed for starting automobile engines because d.c. series motors have :\r\nAns: Low speed at high loads\r\n\r\n51. Excessive clutch free pedal play would cause:\r\nAns: Clutch drag\r\n\r\n52. A wet clutch is more preferred to a dry clutch:\r\nAns: When it is decided to achieve longer life\r\n\r\n53. In case of a friction clutch, the pressure plate is held against the clutch plate by :\r\nAns: Thrust springs\r\n\r\n54. The term clutch slip as applied to a fluid fly wheel:\r\nAns: Decrease with the speed of driving shaft\r\n\r\n55. A sliding mesh gearbox has a gear ratio 4:1 at the third gear position. The clutch shaft gear has 15 teeth and its mating lay shaft gear is having 45 teeth. If the main shaft gear contains 28 teeth, the mating lay shaft gear should have:\r\nAns:21 teeth\r\n\r\n56. Which one of the following is a false statement as regards to a synchromesh gear box ?\r\n(a)The synchronizing unit is locked to the main shaft\r\n(b)Main shaft gears are always free to rotate on the main shaft.\r\n(c) The main shaft gears and the corresponding lay shaft gears are always in constant mesh.\r\n(d)At a particular gear position, power flow takes place from main shaft gear to the synchronizing unit and then to the main shaft.\r\nAns: (a) The synchronizing unit is locked to the main shaft\r\n\r\n57. Which transmission unit is used to turn the driven shaft faster than the driving shaft?\r\nAns: Overdrive\r\n\r\n58. The part of a torque converter that facilitates change of torque between input and output shaft is the:\r\nAns: Stator\r\n\r\n59. The type of gears used for transmitting power between two-non intersecting perpendicular shafts is :\r\nAns: Hypoid gears\r\n\r\n60. The components of an automobile transmission system that facilitate the drive to turn at right angle are:\r\nAns: Bevel pinion and crown wheel\r\n\r\n61. All types of rear live axles have to take:\r\nAns: Driving torque\r\n\r\n62. Which statement is true in the context of a torque tube type rear axle drive?\r\n(a) Side thrust is taken by the torque tube\r\n(b)No universal joint is required\r\n(c) No slip joint is required\r\n(d) No shackle is required\r\nAns: (c) No slip joint is required\r\n\r\n63. Which one of the following is not considered for calculating the unsprung weight?\r\n(a) Steering Knuckle (b)Brakes (c) Axles (d)Chassis frame\r\nAns: (d) Chassis frame\r\n\r\n64. Coil springs used for automobile suspension system can withstand:\r\nAns: Bending and shear stress\r\n\r\n65. In a Mac Pherson strut type of independent suspension , the coil spring is arranged:\r\nAns: On a strut carrying the shock absorber\r\n\r\n66. In a revered elliot type stub axle, the kingpin is locked to the :\r\nAns: Front axle\r\n\r\n67. The steering geometry that aids directional stability is :\r\nAns: Positive castor\r\n\r\n68. Ackerman steering mechanism is popularly employed to steer the front wheels because:\r\nAns: It is a simple mechanism\r\n\r\n69. Which is not the advantage of low aspect ratio tyres:\r\n(a) Comfortable ride\r\n(b)Better load carrying capacity\r\n(c) Less wear\r\n(d) High cornering power\r\nAns: (a) Comfortable ride\r\n\r\n70. Circumferential grooves on automobile tyres:\r\nAns: Reduce the danger of skidding\r\n\r\n71. Compared to cross ply tyre, the radial ply tyre has the disadvantage of :\r\nAns: Uncomfortable ride at low speeds\r\n\r\n72. Tyre rotation is a recommended method to equalize the tyre wear. In doing the tyre rotation, generally, the spare wheel will be fitted to the :\r\nAns: Rear right side\r\n\r\n73. A car which runs along a straight level road at a speed of 36km\/hour is brought to rest in 2 seconds by applying the brakes. The stopping distance is :\r\nAns: 10 meters\r\n\r\n74. \u2018 By passport \u2018 in a master cylinder helps to :\r\nAns: Convey the excess fluid accumulated in compression chamber to the reservoir after brakes are released.\r\n\r\n75. In an air brake system when the brake pedal is freed to deactivate the brakes, the high pressure air form the lines is released to the atmosphere through the :\r\nAns: Exhaust port in the break valve.\r\n\r\n76. Which one of the following is a drawback of disc brakes when compared to drum brakes?\r\n(a) High intensity of pressure on friction pads\r\n(b)Better anti-fade characteristics\r\n(c) Low unsprung weight\r\n(d) Low thermal expansion of friction surfaces\r\nAns: (a) High intensity of pressure on friction pads\r\n\r\n77. The component of an air brake system that actuates the break shoe can is ?\r\nAns: Break chamber\r\n\r\n78. The purpose of circumferential fins constructed on the outer periphery of the break drum is to?\r\nAns: Lower the break operating temperatures\r\n\r\n79. The type of reflector used for automobile head lamp is :\r\nAns: Parabolic\r\n\r\n80. An oxidation catalyst that commonly used in catalytic converters is :\r\nAns: Platinum\r\n\r\n81. A three way catalytic converter is used to control the emissions due to :\r\nAns: Unburned hydro carbons, carbon monoxide and oxides of nitrogen\r\n\r\n82. An aerodynamic device mounted at the rear of an automobile to reduce lift at high speeds is :\r\nAns: Spoiler\r\n\r\n83. As per the BIS(Bureau of Indian Standards)2000 specifications, the permissible amount of sulphur content in gasoline is limited to :\r\nAns: 1000ppm\r\n\r\n84. As per the motor vehicle act 1988, the maximum speed limit for motor cycle is :\r\nAns: 50Km\/hour\r\n\r\n85. As per the section IV of Motor vehicle act 1988, the minimum age limit for obtaining a driving license to drive a transport vehicle is :\r\nAns:20years\r\n\r\n86. An automobile engine is an example of :\r\nAns: Open system\r\n\r\n87. The maximum possible thermal efficiency of a heat engine is limited by?\r\nAns: Second law of thermodynamics\r\n\r\n88. Which one of the following is not a thermodynamic property?\r\n(a)Entropy (b)Pressure (c) Volume (d) Heat\r\nAns: Heat\r\n\r\n89. A high viscosity index of lubricating oil indicates:\r\nAns: Relatively little change of viscosity with change of temperature\r\n\r\n90. Bharath stage III would come into force Nationwide from :\r\nAns: 1 April, 2010\r\n\r\n91. India started to adopt European emission norms in the year:\r\nAns: 2000\r\n\r\n92. The principal use of an engine dynamometer is to measure:\r\nAns: Torque developed by the engine\r\n\r\n93. Which among the following is not a merit of front engine with front wheel drive vehicles\r\n(a) Better tractive effort when going uphill\r\n(b)Better road adhesion\r\n(c) Improved riding performance\r\n(d)Less tendency to skidding\r\nAns: (a) Better tractive effort when going uphill\r\n\r\n94. Engine placed at the rear with rear axles as live axles:\r\nAns: Ensure lower overall height\r\n\r\n95. The most attractive feature of engines made of Aluminium alloys is :\r\nAns: Low weight to power ratio\r\n\r\n96. A ring spanner is usually manufactured by ?\r\nAns: Drop forging\r\n\r\n97. Piston compression rings are made of :\r\nAns: Alloy cast iron\r\n\r\n98. Which among the following is a surface finishing operation?\r\n(a)surface grinding (b)Centerless grinding\r\n(c) Buffing (d)Honing\r\nAns: (d) Honing\r\n\r\n99. Stroke of I.C.engine equals:\r\nAns: Twice the crank radius\r\n\r\n100. Vehicle weight when it is not loaded with passengers and cargo, but inclusive of the weight of full tank is known as :\r\nAns: Curb weight\r\n\r\n&nbsp;\r\n\r\n\r\n\r\nMore Resources \/articles\r\nIC Engine Articles , Notes , Question and Answer\r\nCAD Software | CAD Tutorials\r\nMechanical Subjectwise Basic Concept Notes ,Articles\r\nStructural analysis and Design 3d Model Projects\r\n\r\n\r\n\r\n&nbsp;","headline":"100 IC engine and Automobile Technical Questions","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-03-10","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"","height":0,"width":0},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//m.gunkrazy.com/seminar-on-underwater-welding-repor/" rel="nofollow"><div class="image-container" style="background-image: url('//m.gunkrazy.com/wp-content/uploads/2015/03/Underwaterwelding-300x225.jpg')"></div><span class="sr-only">link to Seminar On Underwater Welding -Report and ppt Download</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//m.gunkrazy.com/seminar-on-underwater-welding-repor/">Seminar On Underwater Welding -Report and ppt Download</a></p></header><div class="excerpt"><p>Seminar On Underwater Welding -Report and ppt Download
INTRODUCTION TO UNDERWEAR WELDING  Underwater welding is an important tool for underwater fabrication works. In 1946, special waterproof...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/seminar-on-underwater-welding-repor/" aria-label="View Post: Seminar On Underwater Welding -Report and ppt Download">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Seminar On Underwater Welding -Report and ppt Download","url":"\/\/m.gunkrazy.com\/seminar-on-underwater-welding-repor\/","articleBody":"Seminar On Underwater Welding -Report and ppt Download\r\nINTRODUCTION TO UNDERWEAR WELDING\r\n\r\n\r\n\r\nUnderwater welding is an important tool for underwater fabrication works. In 1946, special waterproof electrodes were developed in Holland by \u00cb\u0153Vander Willingen'\u00e2\u201e\u00a2.\u00a0 In recent years the number of offshore structures including oil drilling rigs, pipelines, platforms are being installed significantly. Underwater welding is a type of welding which takes place underwater.\r\n\r\nIn underwater welding, the environment around the welder is wet. and uses welding equipment which has been customized for wet environment,commonly use under water techniques are hyperbaric enclosure welding, wet Underwater-welding, high pressure water jet welding, \r\n\r\nother welding processes: friction welding, resistance welding, arc welding, tig welding, mig welding, oxyacetylene welding, electron beam welding, laser beam welding,and main risks for the welder performing Underwater-welding are the potential for electric shock,and the possibility of producing in the arc mixtures of hydrogen and oxygen in pockets, which might set up an explosion,and There are three main ways to perform Underwater-welding. One is to build an enclosure, a pit, around the place of repair and to pump away all the water: that amounts to prepare the conditions for normal welding in air, although the place may be deep under sea level. Another method of Underwater-welding consists in preparing an enclosure to be filled with gas (helium) under high pressure (hyperbaric) to push water back, and have the welder, fitted with breathing mask and other protective equipment, weld quite normally out of water but under pressure. The third is the wet Underwater-welding method, where no attempts are made to dry up the location of welding. Instead the power of the arc generates a bubble of a mixture of gases which lets metal melting and joining occur more orless normally, using specially covered electrodes to avoid that too much hydrogen be absorbed in the weld. The skilled welder must also be a diver, equipped for Underwater-welding, with all the extra equipment and protection a welder must use. There is also a less used method of Underwater-welding which features a special torch which sprays a cone of high pressure water, within which protective gas under pressure insulates the weld location from the water during welding.\r\n\r\n\r\n\r\n\r\nFig. Under water welding\r\n\r\n\r\n\r\nCLASSIFICATION\r\nUnder water welding can be classified as :\r\ni. Wet welding\r\nii. Dry welding\r\n1) WET WELDING\r\n\r\n \tKey technology for repairing marine structure\r\n \tWelding is performed under water directly exposed to the wet environment\r\n \tIncreased freedom movement makes more effective, efficient and economical\r\n \tSupply is connected to the welder\/driver via cables or hoses\r\n \tComplete insulation of the cables and hoses are essential in case to prevent the chance for electric shock\r\n \tMMA (Manual Metal Arc) welding is commonly used process in the repair of offshore platforms.\r\n\r\n\r\nPRINCIPLE OF OPERATION\r\n\r\n \tThe work is connected to the positive side of dc source and electrode to the negative\r\n \tThe two parts of the circuit are brought together and then slightly separated\r\n \tAn electric current occurs in the gap and causes a sustained spark which melts the bare metal forming a weld pool The flux covering the electrode melts to provide a shielding gas.\r\n \tArc burns in the cavity formed inside the flux covering, which is designed to burn slower than the metal barrel to the electrode\r\n\r\n\r\n\r\nAdvantages\r\n\r\n\r\n\r\n \tThe versatility and low cost.\r\n \tLess costlier than dry welding.\r\n \tSpeed with which it is carried out\r\n \tNo enclosures so no time is lost for building.\r\n\r\nDisadvantages\r\n\r\n \tRapid quenching of the weld metal by the surrounding water.\r\n \tWelders working under water are restricted in manipulating arc.\r\n \tHydrogen embrittlement causes cracks.\r\n \tPoor visibility due to water contaminance.\r\n\r\n2) DRY WELDING\r\n\r\n \tA chamber is created near the area to be welded and the welder does the job by staying inside the chamber.\r\n \tIt produces high quality weld joints .\r\n \tThe gas-tungsten arc welding process is used mostly for pipe works\r\n \tGas metal arc welding is the best process for this welding.\r\n\r\nScope of further developments\r\n\r\n \tHyper baric welding is well established and generally well researched.\r\n \tResearch being carried out for welding at a range of 500 to 1000m deep.\r\n \tTHOR-1 (Tig Hyperbaric Orbital Robot) is developed where diver performs pipe fitting, installs the tracks and orbital head on the pipe and rest process is automated.\r\n\r\nAPPLICATIONS \r\n\r\n \tOffshore construction for tapping sea resources\r\n \tTemporary repair work caused by collisions, unexpected accidents\r\n \tSalvaging vessels sunk in the sea\r\n \tRepair and maintenance of ships\r\n \tConstruction of large ships beyond the capacity of existing docks\r\n\r\n\r\n\r\nCONCLUSION\r\nAlternatives which include clamped and grouted repairs (which may introduce unacceptably high loading on offshore structures) and the use of bolted flanges for the tie-ins are not necessarily and are not always satisfactory.\r\n\r\n\r\nDownload :\u00a0\r\n1) Underwater Welding.Pdf\u00a0\r\n\r\n2) Underwater welding.pptx\r\n\r\n\r\n\r\n\r\n\r\nMore Resources \/articles\r\nLatest seminar topic index - Report ,PPT Download\r\nCAD Software | CAD Tutorials\r\nMechanical Subjectwise Basic Concept Notes ,Articles","headline":"Seminar On Underwater Welding -Report and ppt Download","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-03-10","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2015\/03\/Underwaterwelding-300x225.jpg","height":225,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//m.gunkrazy.com/seminar-on-space-robotics-report-free/" rel="nofollow"><div class="image-container" style="background-image: url('//m.gunkrazy.com/wp-content/uploads/2015/03/Freeflyingspacerobots-300x240.jpg')"></div><span class="sr-only">link to Seminar On Space Robotics -Report Free Download</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//m.gunkrazy.com/seminar-on-space-robotics-report-free/">Seminar On Space Robotics -Report Free Download</a></p></header><div class="excerpt"><p>Seminar On Space Robotics -Report Free Download
Introduction to space Robotics :
Robot is a system with mechanical body, using computer as its brain. Integrating the sensors and actuators built...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/seminar-on-space-robotics-report-free/" aria-label="View Post: Seminar On Space Robotics -Report Free Download">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"Seminar On Space Robotics -Report Free Download","url":"\/\/m.gunkrazy.com\/seminar-on-space-robotics-report-free\/","articleBody":"Seminar On Space Robotics -Report Free Download\r\nIntroduction to space Robotics :\r\nRobot is a system with mechanical body, using computer as its brain. Integrating the sensors and actuators built into the mechanical body, the motions are realised with the computer software to execute the desired task. Robots are more flexible in terms of ability to perform new tasks or to carry out complex sequence of motion than other categories of\r\nautomated manufacturing equipment. Today there is lot of interest in this field and a separate branch of technology \u2018robotics\u2019 has emerged. It is concerned with all problems of robot design, development and applications. The technology to substitute or subsidise the manned activities in space is called space robotics. Various applications of space robots are the inspection of a defective satellite, its repair, or the construction of a space station and supply goods to this station and its retrieval etc. With the over lap of knowledge of kinematics, dynamics and control and progress in fundamental technologies it is about to become possible to design and develop the advanced robotics systems. And this will throw open the doors to explore and experience the universe and bring countless changes for the better in the ways we live.\r\n\r\n\r\n\r\nFig. Free Flying Space Robots\r\n\r\n\r\n\r\nSTRUCTURE OF SPACE ROBOTS\r\n\r\n\r\nDESCRIPTION OF STRUCTURE OF SPACE ROBOT\r\n\r\nThe proposed robot is of articulated type with 6 degrees of freedom (DOF). The reason for 6 DOF system rather than one with lesser number of DOF is that it is not possible to freeze all the information about possible operations of the payload\/racks in 3D space to exclude some DOF of the robot. Hence, a versatile robot is preferred, as this will not impose any constraints on the design of the laboratory payload\/racks and provide flexibility in the operation of the robot. A system with more than six DOF can be provided redundancies and can be used to overcome obstacles. However, the complexities in analysis and control for this configuration become multifold.\r\n\r\nThe robot consists of two arms i.e. an upper arm and a lower arm. The upper arm is fixed to the base and has rotational DOF about pitch and yaw axis. The lower arm is connected to the upper arm by a rotary joint about the pitch axis. These 3 DOF enable positioning of the end effector at any required point in the work space. A three-roll wrist mechanism at the end of the lower arm is used to orient the end effector about any axis. An end effector connected to the wrist performs the required functions of the hand. Motors through a drive circuit drive the joint of the arm and wrist. Angular encoders at each joint control the motion about each axis. The end effector is driven by a motor and a pressure sensor\/strain gauges on the fingers are used to control the grasping force on the job.\r\n\r\nDESCRIPTION OF SUBSYSTEMS\r\n\r\nThe main subsystems in the development of the manipulator arm are\r\n\r\n \t\r\nJoints\r\n \t\r\nArm\r\n \t\r\nWrist\r\n \t\r\nGripper\r\n\r\n\r\nJOINTS\r\n\r\nA joint permits relative motion between two links of a robot. \r\n\r\nTwo types of joints are\r\n\r\n \t\r\nRoll joint \u2013 rotational axis is identical with the axis of the fully extended arm.\r\n \t\r\nPitchjoint \u2013 rotational axis is perpendicular to the axis of the extended arm\r\nand hence rotation angle is limited.\r\n\r\n&nbsp;\r\nThe main requirements for the joints are to have near zero backlash, high stiffness and low friction. In view of the limitations on the volume to be occupied by the arm within the workspace, the joints are to be highly compact and hence they are integrated to the arm structure. To ensure a high stiffness of the joint the actuator, reduction gear unit and angular encoders are integrated into the joint.\r\nEach joint consists of \r\n\r\n \t\r\nPancake type DC torque motors (rare earth magnet type) which have advantage over other types of motors with respect to size, weight, response time and high torque to inertia ratio.\r\n \t\r\nHarmonic gear drive used for torque amplification\/speed reduction. These gear drives have near zero backlash, can obtain high gear ratios in one stage only and have high efficiency.\r\n \t\r\nElectromagnetically actuated friction brakes, which prevent unintentional movements to the arms. This is specifically required when the gear drive is not self-locking. In space environment, where the gravity loads are absent (zero \u2018g\u2019 environment) brakes will help to improve the stability of the joint actuator control system. i.e. the brake can be applied as soon as the joint velocity is less than the threshold value.\r\n \t\r\nElectro optical angular encoders at each axis to sense the position of the end of the arm. Space qualified lubricants like molybdenum disulphide (bonded film\/sputtered), lead, gold etc. will be used for the gear drives and for the ball bearings.\r\n\r\nROBOT ARMS\r\nThe simplest arm is the pick and place type. These may be used to assemble parts or fit them into clamp or fixture. This is possible due to high accuracy attainable in robot arm. It is possible to hold the part securely after picking up\r\nand in such a way that the position and the orientation remains accurately known with respect to the arm. Robot arms can manipulate objects having complicated shapes and fragile in nature.\r\n\r\nWRIST\r\nRobot arm comprises of grippers and wrist. Wrist is attached to the robot arm and has three DOF (pitch, yaw, and roll). Wrist possesses the ability to deform in response to the forces and the torques and return to equilibrium\r\nposition after the deflecting forces are removed.\r\n\r\nGRIPPER\r\n\r\nGripper is attached to the wrist of the manipulator to accomplish the desired task. Its design depends on the shape and size of the part to be held.\r\n\r\nCONCLUSION\r\n\u00a0\r\nIn the future, robotics will make it possible for billions of people to have lives of leisure instead of the current preoccupation with material needs. There are hundreds of millions who are now fascinated by space but do not have the means to explore it. For them space robotics will throw open the door to explore and experience the universe.\r\n\r\nDownload : Seminar On Space Robotics -Report Free Download\r\n\r\n\r\n\r\n\r\n\r\n\r\nMore Resources \/articles\r\n\r\nLatest seminar topic index - Report ,PPT Download\r\nProduct Ideas , Innovative Machine Ideas Projects\r\nNon traditional machining Projects\r\n\r\n\r\n\r\n&nbsp;","headline":"Seminar On Space Robotics -Report Free Download","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-03-10","mainEntityOfPage":"False","dateModified":"February 23, 2020","image":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2015\/03\/Freeflyingspacerobots-300x240.jpg","height":240,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <article class="article-card horizontal "> <a href="//m.gunkrazy.com/bis-system-of-designation-of-steels/" rel="nofollow"><div class="image-container" style="background-image: url('//m.gunkrazy.com/wp-content/uploads/2015/02/2015-02-28252019.06.29-300x145.jpg')"></div><span class="sr-only">link to BIS System Of Designation Of Steels</span></a><div class="copy-container"><header><p><a style="color: #ff392e!important" href="//m.gunkrazy.com/bis-system-of-designation-of-steels/">BIS System Of Designation Of Steels</a></p></header><div class="excerpt"><p>BIS System Of Designation Of Steels
Introduction  You might have seen material names like 40C8, 50C8. What does it mean? Engineering materials have various compositions, types, Applications,...</p><div class="button-container"><a rel="nofollow" class="button reverse" href="//m.gunkrazy.com/bis-system-of-designation-of-steels/" aria-label="View Post: BIS System Of Designation Of Steels">View Post</a></div></div></div></article> <script type="application/ld+json">{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","name":"BIS System Of Designation Of Steels","url":"\/\/m.gunkrazy.com\/bis-system-of-designation-of-steels\/","articleBody":"BIS System Of Designation Of Steels\r\nIntroduction \r\n\r\nYou might have seen material names like 40C8, 50C8. What does it mean? Engineering materials have various compositions, types, Applications, properties. Every material has its different mechanical properties, The Bureau of Indian Standards ( BIS ). have standardized the designation method for steel and other material. These standards are mainly followed by Indian industries, other countries may be using ASME standard.\r\nA large number of varieties of steel are used for machine components.\r\nEngineering materials and How they are Designated.\r\nSteel :\r\n\r\nIt is an alloy of iron and carbon, with carbon content up to a maximum of 1.5%. The carbon occurs in the form of iron carbide, because of its ability to increase the hardness and strength of the steel. Other elements e.g. silicon, sulfur, phosphorus, and manganese are also present\r\nto a greater or lesser amount to impart certain desired properties to it. Most of the steel produced nowadays is plain carbon steel or simply carbon steel.\r\n\r\nCarbon steel is defined as a steel which has its properties mainly due to its carbon content and does not contain more than 0.5% of silicon and 1.5% of manganese.\r\n\r\nThe plain carbon steels varying from 0.06% carbon to 1.5% carbon are divided into the following types depending upon the carbon content.\r\n\r\n1. Dead mild steel \u2014 up to 0.15% carbon\r\n2. Low carbon or mild steel \u2014 0.15% to 0.45% carbon\r\n3. Medium carbon steel \u2014 0.45% to 0.8% carbon\r\n4. High carbon steel \u2014 0.8% to 1.5% carbon\r\nDesignation Of Steels\r\n\r\nSteels are designated by a group of letters or numbers indicating any one of the following three properties.\r\n1. tensile strength;\r\n2. carbon content; and \r\n3. composition of alloying elements.\r\n\r\nSteel, which are standardized based on their tensile strength without detailed chemical composition, are specified in two ways- a symbol Fe followed by the minimum tensile strength in N\/mm2. Another method is FeE steel followed by the yield strength in N\/mm2.\r\n\r\nFor examples:\r\n\u00a0 \r\nFe350 - This indicates a steel with a tensile strength of 250 newtons per mm square.\r\nFeE 250- yield strength of 250 N\/mm2.\r\n\r\nDesignation of Plain Carbon Steels:\r\n\r\nThis consist following three quantities:\r\n1. figure and indicating 100 times the average percentage of carbon.\r\n2. a letter C\r\n3. a figure indicating 10 times the average percentage of manganese.\r\n\r\nExample: 55C4 indicates a plain carbon steel with 0.55% carbon and 0.4 % manganese.\r\n\r\nDesignation of unalloyed free-cutting steels.\r\n\r\nThis consists following quantities.\r\n1. a figure indicating 100 times the average percentage of carbon.\r\n2. a letter C\r\n3. a figure indicating 10 times the average percentage of manganese. \r\n4. a symbol S, Se, Te, or Pb depending upon the element that is present and which makes the steel free cutting.\r\n5. a figure indicating 100 times the average percentage of the above elements that makes the steel free cutting.\r\n\r\nExample \r\n\r\n25C12S14 indicates free cutting steel with 0.25 % carbon ,1.2 % manganese and 0.14 % sulphur.\r\n\r\nDesignation of high alloy steel\r\n\r\nThe designation of high alloy steels consist of following quantities\r\n1. a letter 'X'\r\n2. a figure indicating hundred times the average percentage of carbon\r\n3. chemical symbol for allowing elements each followed by the figure for its average percentage content rounded off to the nearest integer.\r\n4. chemical symbol to indicate especially at that added element to attain desired properties, if any.\r\n\r\nExample:\r\n\r\nX15Cr25Ni12 is a high alloy steel with your own 15 % carbon, 25 % chromium, and 12 % nickel.\r\n\r\nDesignation Of Cast Steels\r\n\r\nComponents from cast steel are manufactured by pouring the molten steel into the mold.\r\nThere are two varieties of steel castings \r\n1. carbon steel castings and\r\n2. high tensile steel castings.\r\nCast steels are designated according to the tensile strength.\r\n\r\nExample: \r\nCS640 is a steel casting with a minimum ultimate tensile strength of 640 N\/mm2.\r\n\r\nDesignation of Alloy steels:\r\n\r\nThe designation of alloy steels consist of following quantities:\r\n1. figure indicating hundred times the average percentage of carbon\r\n2. chemical symbol for allowing elements always followed by the figure for its average percentage content multiplied by the factor. The multiplying factor depends upon the alloying element and its shown in the following figure.\r\nIn alloy steels, if manganese % is more than 1 then chemical symbols and their figures are arranged in descending order of their percentage content.\r\n\r\nExample:\r\n\r\n\r\n25Cr4Mo2 is an alloy steel having an average 0.25% of carbon, 1% chromium, and 0.2 % molybdenum.\r\n\r\n\r\nDesignation of Steel Castings and Forgings:\r\nFive types of steel castings are designated as below by Bureau of Indian Standards:\r\n\r\n(i) Unalloyed steel castings are designated by letter CS followed by minimum tensile strength in MPa (N\/mm2).\r\n\r\n(ii) Unalloyed special steel castings (high magnetic permeability) are designated by letters CSM followed by the minimum tensile strength in MPa (N\/mm2).\r\n\r\n(iii) Alloy steel castings are designated by letters CS followed by the minimum tensile strength in MPa and the chemical name and percentage of important alloying ele\u00adments.\r\n\r\n(iv) Heat resistant steel castings are designated by let\u00adters CSH followed by minimum tensile strength in MPa and chemical name and percentage of important alloying ele\u00adments.\r\n\r\n(v) Corrosion resistance steel castings are designated by letters CSC followed by the minimum tensile strength and chemical name and percentage of important alloying el\u00adements.\r\nSome Examples asked in examination\u00a0\r\n1. Identify the Material and Composition:\u00a0\r\n\r\na) X 10 Cr18Ni9Mo4Si2 :\r\n\r\nMaterial: High alloy steel\r\nComposition: Avg. 0.1% Carbon, 18% chromium,9% nickel, 4% Molebdenum,2% Silicon.\u00a0\r\n\r\nb) XT 72 W 18 Cr 4 V 1 :\r\n\r\nMaterial: High-speed tool steel\u00a0\r\nComposition: average carbon content 0.72 %, tungsten 18 %, chromium 4 % and vanadium 1 %.\r\n\r\n2. Give the composition of\r\n\r\n(i) FeE220: Steel having a yield strength of 220 N\/mm2.\r\n(ii) 20C8 : Carbon steel containing 0.15 to 0.25 percent (0.2 percent on average) carbon and 0.60 to 0.90 percent (0.80 percent on average) manganese.\r\n\r\n3. State the following material specifications.\r\n\r\n(i) FeE 230 (ii) FG 200 (iii) 35C8 (iv) X20Cr18Ni12\r\n\r\ni) FeE 230 -steel (Steel having a yield strength of 230 N\/mm2) with a minimum tensile strength of 230 N\/mm2\r\nii) FG 200- Grey cast iron with a minimum tensile strength of 200 N\/mm2\r\niii) 35C8 Means a carbon steel containing avg. percentage of carbon is 0.35 and avg. percentage of manganese is 0.8.\r\niv) X20Cr18Ni12 \u2013Means alloy steel with an average percentage of carbon is 0.20, the average percentage of chromium is 25 , the average percentage of nickel is 12\r\n\r\n\r\n\r\nMore Resources \/articles\r\nWind Energy projects list , abstract\r\nWelding projects List - Abstract , Report\r\nCAD \/ CAM Projects List - Abstract , Report Download\r\nNew Mechanical Projects 2020 ( All Projects Post Index List )\r\n\r\n\r\n\r\n&nbsp;","headline":"BIS System Of Designation Of Steels","author":{"@type":"Person","name":"Sachin Thorat","url":"\/\/m.gunkrazy.com\/"},"datePublished":"2015-02-28","mainEntityOfPage":"False","dateModified":"April 23, 2020","image":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2015\/02\/2015-02-28252019.06.29-300x145.jpg","height":145,"width":300},"publisher":{"@context":"http:\/\/schema.org\/","@type":"Organization","name":"Learn Mechanical Engineering","logo":{"@type":"ImageObject","url":"\/\/m.gunkrazy.com\/wp-content\/uploads\/2020\/01\/learn-mech-logo-1-300x300.png","height":600,"width":60}}}</script> <nav class="pagination-wrapper" aria-label="article pagination"> <a class="prev page-numbers" href="?page_num=327">&laquo; PREV</a> <a class="page-numbers" href="?page_num=1"><span class="screen-reader-text">Page </span>1</a> <span class="page-numbers dots">&hellip;</span> <a class="page-numbers" href="?page_num=326"><span class="screen-reader-text">Page </span>326</a> <a class="page-numbers" href="?page_num=327"><span class="screen-reader-text">Page </span>327</a> <span aria-current="page" class="page-numbers current"><span class="screen-reader-text">Page </span>328</span> <a class="page-numbers" href="?page_num=329"><span class="screen-reader-text">Page </span>329</a> <a class="page-numbers" href="?page_num=330"><span class="screen-reader-text">Page </span>330</a> <span class="page-numbers dots">&hellip;</span> <a class="page-numbers" href="?page_num=338"><span class="screen-reader-text">Page </span>338</a> <a class="next page-numbers" href="?page_num=329">NEXT &raquo;</a></nav></section></main><aside id="secondary" class="widget-area"><div class="about-wrapper"><h2 class="widget-title" style="background: #d693c6; color: #ff392e">About Us</h2><div class="about-image" style="background-image: url('//m.gunkrazy.com/wp-content/uploads/2020/03/Sachin-Thorat-300x300-min.png')"></div><p class="about-copy">LearnMech.Com is a Mechanical Project-oriented platform run by Sachin Thorat who is a B-Tech Graduate in Mechanical Engineering. 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