Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

what is procedure of measuring operating length of mechanical seal .(in case of centrifugal pump)?

1799

What is vane diagram in centrifugal pump?

Tata Steel Limited,

1778

What is meant by hybrid vehicles?

1457

What is the reason behind having a vertical exhaust system in a tractor????

Hyundai, TATA,

1 4777

. how will effect of water injection on turbine load and corresponding MW output(not water washing)

1457

best tip to increase fuel efficiency with a high powered engine?

1 2703

Which view provides a clear indication of an object, isometric or orthographic, and why ????

TATA,

4 6730

what is discharge ?How to measure it?

5 5466

which mechanism is used to turn the vehicle?

3 4603

different between strainer & filter?

5 6344

ifferent between technology & engineering?

4 4628

different between general arc welding & aluminium welding?

1616

arrange the efficiency of the engine in decreasing order OTTO, DIESE& DUEL ?

Infosys,

2 6339

What is volumatric air change of a HOT GAS GENERATOR of a STEAM BOILER ?

Lanco, Microsoft,

1672

which type of impellor has highest speed backward, forward, straight?

2 3771


Post New Mechanical Engineering Questions

Un-Answered Questions { Mechanical Engineering }

why the path of a satellite is always elliptical with earth not at the centre of the ellipse?

2587


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?

1785


What causes diesel engine to automatically stop?

1391


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

1889


Define a slined joint?

605






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


I'm a first year student of B.E Mechanical Engineering... How should i prepare myself for getting selected in campus interviews from now itself...? What books should i refer....?

1668


State fresh water generation plant made water flow.

1213


What is function (in details) room sensor and tube or coil sensor in HVAC system?

1111


Will a steel cable become longer if it is heated while under load? Explain

631


sir, I am applied RRB chennai,MMV(mechanical),Pls mail 2006,2007 & 2008 years solved question papers.My Mail jrks@rediffmail.com

1562


What is mean by greenfield project?

634


Causes of M/E high exhaust valve temperature

1423


Why cavitation will occur in centrifugal pump and not in displacement pump?

617


Thermo dynamics,Mechanics,Machine design,Design of machine members,dom,tom,strength of materials

3111