Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Explain the principle of Suizer Fuel oil injection pump

RRB,

1570

What is the volume develop by the piston from BDC to TDC

RRB,

3 3871

Enumerate some trouble of fuel injection valve

RRB,

1510

Causes of M/E high exhaust valve temperature

RRB,

1439

What is the purpose of scrapper ring

RRB,

1919

What are the items to inspect after cylinder liner is pulled out

RRB,

1678

What resistance the ship encounter when the vessel is at sea

RRB,

1520

What will you do in case of scavenging fire

IOCL, RRB,

1 3165

Draw the flow of F.O. diagram from service tank to Main Engine?

Nissan, Renault Nissan, RRB,

1831

What are the types of cleaning main engine Turbo Charger blower side?

RRB,

1855

What are the causes of main engine Turbo Charger blower side dirty?

RRB,

1671

Sketch the jacket cooling system?

RRB,

1677

What will cause if you run your engine in critical RPM continuously?

RRB,

1818

What are the properties of fuel oil?

RRB,

1618

What will you check if one cylinder of your engine is not like the others?

RRB,

1588


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Un-Answered Questions { Mechanical Engineering }

One litre is equal to ________cm3 ?

681


what is cyclon vibration effect in turbine

1589


what are the applications where bearing should not be used though it can be used(economy may be 1 of the reason)

1546


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

1777


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

621






What causes crankcase explosion?

1896


I need BHEL apptitude questions

1846


Difference between turbocharging and supercharging in diesel engines?

1048


What is dtsi? Why it is used in motor bikes?

633


Horse power of i.c. Engines can be expressed as rac rating, sae rating, or din rating. To which countries these standards belong ?

788


What is the density of plastic?

660


in aviation, How does control valves work?

1455


What type of pump is main L.O. pump?

6653


1. What are good characteristics of good combustion in a boiler? 2. What do you analyze from boiler water analysis? 3. What do you treat in high alkalinity of boiler water? 4. What is a feed water pump? Dearator feed heater? 5. What is the purpose of the nozzle of impulse turbine? 6. What are the things needed to have an efficient boiler burning? 7. Name Of Parts And Each Purpose 8. What are the causes of emergency stop in a steam engine? 9. What is the normal vacuum pressure in a steam turbine atmospheric condenser? What would cause the press to falls? 10. Steam turbine (function an parts) 11. What is the boiling point of water? 12. What are the safety devices of boiler? 13. What is the effect of high alkaline water to a boiler? 14. Steps In starting boilers. 15. Small gear found in the steam turbine. 16. What is an Economizer? 17. What are the methods of heat transfer? 18. Types of pressure 19. What are the different parts of impulse reaction turbine? 20. What is the color of the flame of the boiler running in good condition? 21. What type of pump is commonly used is feed water system in auxiliary boiler? 22. What is the specific heat of water? 23. What do you do to prevent flare black? 24. What is a brake horsepower? 25. What is the purpose of a de-superheater? 26. What is the purpose of corrugated furnaces? 27. What are the causes of steam turbine failure? 28. What is the purpose of superheater? 29. Given a cutaway isometric view of the steam turbine. Examinee was asked to identify the following Parts: 30. What is thrust bearing? 31. Give five boiler mounting valves. 32. In steam boiler, what are the various test in water boiler? 33. How much calorific value of heat is needed to heat 00c of 34. What will happen if boiler backfires? 35. What is the color of flame if the boiler is running in good condition? How about when it is not in good condition? 36. How does the steam work in a steam turbine? 37. What are the causes of boiler backfire and steps in how to prevent it from happening? 38. What are the causes of high alkalinity in boiler water? 39. What are sensible heat, latent heat, and specific heat of water? 40. What are the causes of turbine vibration 41. Identify the parts of steam turbine 42. What is the normal Ph value of boiler water 43. Causes of dilution of lubricating oil in a steam turbine? 44. Explain briefly- good combustion of auxiliary boiler? 45. Method of testing or checking boiler water? 46. What is mean carry over of Aux. Boiler? 47. What are steam turbine parts usually come into damage? 48. Why must we pay attention when we drain steam in steam turbine. What factors are observed? 49. What type of pump use in boiler F.O. system? 50. What parameters to be reported when we send lubricating oil for shore analysis? 51. In boiler, what does steam and smoke goes out to the funnel. What reason? 52. Where can you find the feed check valve and feed stop valve and give the purpose of it? 53. What are the causes of troubles in boiler during operations? 54. Give the purpose of nozzle in impulse turbine? 55. What s gland sealing steam? 56. How to prevent back fire of boiler? 57. What is the used of economizer in boiler? 58. What is the seal packing gland for turbine? 59. What is the flow of steam in an impulse turbine? 60. What will happen if you blow the soot in the boiler? 61. State the purpose of air heater? 62. How to operate soot blower boiler and economizer? 63. What do you mean by A.CC.? 64. What is the thermal efficiency of a diesel engine? 65. What is a blow down valves?

1701


What are the advantages of gear drive?

657