Mechanical Engineering Interview Questions
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Hi.. I am studying Mechanical Engineering.. And I am going to prepare for an interwiew of Caritor a software company.. so pleaz tell what i want to study in software and how I should prepare???

2 3919

what is carburateer

9 8514

9 balls are there one of them is of higher wt and remaining all are of same. given is one weighing scale and you can use it two times. How will you find the heavy ball in two trials only.

Reliance, TCS, Whirlpool,

9 23612

i want sample question paper for SECTION ENGINEER IN RRB.

TVS,

3989

please send me latest hindustan petrolium papers

HPCL, Tata Steel Limited,

1605

what is runout? how it is measure? which is the refrence?

Greaves, Magna Infotech,

14 92978

what is mean ovality?, how it is measured?

Greaves,

12 57191

what is mean by CONCENTRICITY? how it is measure?

Greaves, Maha Enterprises,

11 54116

what is over ball dimmention? why it is required? what is used in machining?

BEML, Greaves,

1888

what is mean by pitch diameter?

Greaves,

6 9526

9. Who is an ideal team worker according to you

General Motors GM, GM, Wipro,

8 19710

if HR asks about, to tel us about automobile engineering wht should we answer him

Honda,

2 9162

sir, Iam attending for reliance industries limited entrance exam . Please give me about the interview pattern of written and technical papers.

4418

what are the alignment methods for any two turbine shafts and formulae

2 6277

can anybody send me syllabus of Mumbai RRB for section engineer(mechanical) post

RRB,

2 8857


Post New Mechanical Engineering Questions

Un-Answered Questions { Mechanical Engineering }

pl convey me the procedure to get the vat and cst no. i am going to start trading cum manufacturing of grain handling equipments.

1759


1. What happens when too much cylinder oil is injected in the working cylinder? 2. Is the unit and normal value fuel ratio of an average diesel engine? 3. What is the formula for 1 HP of a two-cycle engine? 4. Name the indicator diagram. 5. What are the 3 parts in indicator diagram? 6. What are the causes of damage of diesel engine exhaust Valve? 7. What are the causes of I.O. high temperature in a diesel engine? 8. What trouble could result if the main engine is using a low grade of fuel? 9. What are the causes of liner high temperature? 10. What happen when too much cylinder oil is injected in the working cylinder? 11. How many lubricating holes are there in cylinder? 12. What are the defects in exhaust valve? 13. How do you control cylinder liner wear? 14. How much is the specific fuel consumption of an average diesel engine? 15. Purpose of lubricator in a large diesel engine. 16. Explain how the cylinder lubrication on main engine is done? 17. Explain the function of cooling water expansion tank. 18. Explain the causes of the exhaust valve leakage. 19. What is the purpose of I.O. circulation before and after starting of engine? 20. Names the valve connected in cylinder head of the engine. 21. Name the safety devices of diesel engine? 22. What is injection tag? 23. Explain how to measure crank web deflection? 24. In a 4 cycle engine the intake valve begins to open at? 25. What causes cylinder liner-wear down? 26. What causes diesel engine to automatically stop? 27. What causes crankcase explosion? 28. What do you call the clearing of air inside cylinder after combustion? 29. What is the circulation of I.O. pump of diesel engine? 30. What causes diesel engine trouble when using heavy oil? 31. What causes turbocharger surging? 32. What pressure is highest L.O. Gravity Head or S.W. of the stern tube circulation 33. What is fuel catalytic cracking 34. Contaminants of fuel oil 35. Crankcase oil mist detector 36. Inspection for intermediate shaft bearing. 37. What are the causes of main engine black smoke? 38. Causes of emergency trip of diesel engine 39. What are the causes if one cylinder in a diesel engine has a high temperature? 40. Explain how the lubricating oil circulates in a diesel engine. 41. What are the causes of damage to propellers? 42. What causes friction in the cylinder? 43. What causes damage to impellers? 44. In a four-stroke diesel engine, In what engine exhaust valve will open? 45. How is propeller fitted in shaft? 46. What valves are fitted in a four-stroke diesel engine? 47. What are the automatic tripping devices of diesel generator? 48. What is the purpose of thrust bearing? 49. What is fuel oil viscosity, specific gravity? 50. What are the causes of low compression in the main engine? 51. What do you measure in the banana and mountain diagram? 52. What is a brake horse power? 53. What are the requirements of a good fuel? 54. What is the purpose of a setting tank? 55. What is the purpose of a turning gear? 56. What is the purpose of starting air? 57. What is the purpose of engine preheating? 58. What is the purpose of air blow? 59. What is the purpose of stern tube? 60. Where can you find thermometers in diesel engines? 61. What would happen if there is air in fuel oil? 62. What type of pump is lubricator pump? 63. What is the purpose of piston rings? 64. The advantage of a controllable pitch propeller? 65. Explain the fresh water cooling system. 66. What are the typical indicator diagrams? 67. What is the trunk type and crosshead type piston 68. What is higher IMP or BHR 69. What is the sensitive part of the liner 70. Discuss how to prepare the M/E in the standby condition 71. Explain how to clean LO 72. Explain the principle of Suizer Fuel oil injection pump 73. What is the volume develop by the piston from BDC to TDC 74. Enumerate some trouble of fuel injection valve 75. Causes of M/E high exhaust valve temperature 76. What is the purpose of scrapper ring 77. What are the items to inspect after cylinder liner is pulled out 78. What resistance the ship encounter when the vessel is at sea 79. What will you do in case of scavenging fire 80. Draw the flow of F.O. diagram from service tank to Main Engine? 81. What are the types of cleaning main engine Turbo Charger blower side? 82. What are the causes of main engine Turbo Charger blower side dirty? 83. Sketch the jacket cooling system? 84. What will cause if you run your engine in critical RPM continuously? 85. What are the properties of fuel oil? 86. What will you check if one cylinder of your engine is not like the others? 87. What do you do when in your duty, ME alarm oil mist detect high density? 88. Classification of bunkers? 89. What is the purpose of increasing the pressure on the F.O. system of the engine? 90. What are the advantages of white metal? 91. What is the use of white metal? 92. What is the cause of cylindrical liner overheating? 93. What are you going to inspect or check when you open the crankcase? 94. Draw L.O. system in diesel engine? 95. What is the specific gravity of F.O. and D.O? 96. What is pour point? 97. What is flashpoint? 98. What materials are used for engine propeller? 99. How fuel oil consumed by medium engine? 100. What is the remedy if due exchanging, valve broke out during engine running operation? 101. At 50 Centigrade (Fuel oil) what is its cast? 102. At 50 Centigrade (Diesel oil) what is its cast? 103. What do you call a piston travel from TDC to BDC? 104. What happened if the exhaust valve is leaking? 105. Why and what cause of leak fuel oil in high pressure pipe of main engine? 106. What device installed in the F.O. system when excess oil return to drain tank? 107. What parameters to be reported when we send lubricating oil for shore analysis? 108. Heavy fuel oil sulfur content and counter measures? 109. What will happen when engine stays in critical speed of 58-65 RPM? 110. What are the causes of L.O. high temperature? 111. How do you detect starting valve leaks? 112. What are the causes of dirty lubricating oil? 113. Identify the parts of indicator diagram? 114. What are the symptoms of broke piston ring? 115. How much pressure on air reservoir? 116. Name the parts of piston through connecting rod? 117. What are the causes of positive and negative propeller slip? 118. What will be the cause of scavenging fire? 119. What will you do when scavenge fire happened? 120. What do you going to observe, when a diesel engine is running? 121. Where is the expansion tank located? 122. How the F.W.C. system of diesel engine circulate? 123. What is mean effective press? 124. Draw a crankshaft and show the parts? 125. What is the lower part of connecting rod? 126. What should you do before you start the engine? 127. When you will install a new piston ring, what will be the position of it? 128. What is max pressure? 129. What are the things to do when approaching the port? 130. What will be the cause of the loose compression in a cylinder? 131. What is the maximum P-max for a cylinder in M/E. 132. What is the indication of leaking starting valve of an engine? 133. What is the thermal efficiency of a diesel engine? 134. What will be the cause of high temperature in one cylinder of D/E?

4654


how to solved the crictical problems in d. g. set

1551


Why the ship cranes are not having counter weights irrespect of industrial & civil construction cranes are having counter weights.

1631


What will happen if head of a selected pump is not utilized in a closed loop water circuit? Flow will increase or decrease or remain same?

1517






How does iron ore turn into steel?

606


What is the mathed of maintain oxizen level in a air tite A/c room.

1654


what are the activities to be done after a steam turbine trips?

2157


what is the dome assembly

1408


sirplz send me nhpc techanical questions paper.

1782


What is the normal vacuum pressure in a steam turbine atmospheric condenser? What would cause the press to falls?

1541


i need rrb chennai JE mechanical last 2 year question papers Plz send me on this email id aaasaravanan@gmail.com

1754


When effect of variations in specific heats is considered then how do maximum temperature and pressure vary compared to air standard cycle ?

602


low of heat transfer

3397


We have fifteen year old CNC turning lathe,placed in dust proof room,recently giving control problems frequently.We are considering to retrofit it.Pl.brief me about various point I should consider for accessing the mechanical health of machine.

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