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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

what is the use of vacuum balancing valve in CEP

NTPC,

1287

what is critical temprature

MAHINDRA, TATA,

10 9063

in what cycle steam power plant is based

BDL, IOCL, NTPC,

13 10119

what are da different process to make gear

TATA,

5 5577

what is tooth profile

IOCL, TNPL,

1258

what is generatrics and directrics

TATA,

2804

What is the difference between efficiency and effectiveness of an machine,man

1 4297

What are the differences between heat transfer and mass transfer?

NTPC, TATA,

6 29490

DIFFERENCE BETWEEN CODES,STANDARDS & SPECIFIFCATIONS?

Essar, Mecon,

3 4623

Which is the best lubricant-air, oil or water?

6 8243

What will happen if oil is mixed with boiler feed water?

NTPC,

5 11999

What are the procedures of starting of diesel engine?

4 4346

what is the advantages and dis advantages of critical speed of turbine

Bhel, NTPC,

4 12627

what is difference between fan and blowers

GAIL, Mecon,

11 31889

How the speedo meter ratio was decided for vehicle?

TATA,

941


Post New Mechanical Engineering Questions






Un-Answered Questions { Mechanical Engineering }

What is "H7014C/HQ1P4 BEARING" means ???

856


On which analysis is based the dulong’s formula for the heating value of fuel ?

209


should cutouts made in main header of metal ducting be deducted from duct measurement.

1289


What are the causes of L.O. high temperature?

1339


What is view factor ?

326






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?

1330


Name any four commonly used refrigerants.

163


How cavitation can be eliminated in a pump?

185


Is your basic salary of $...... , good for you if employed?In case of any eventuailt,who is your next of kin?

769


What is the purpose of starting air?

964


Car tyres are usually made of ?

195


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

1716


find the damper capacity of a system having a damping co efficient of 90% with a vibrating mass of 0.1Kg over a spring having a stiffness of 1KN/m.

1004


What is ferrite?

150


At 50 Centigrade (Fuel oil) what is its cast?

1067