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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

Explain how are the pneumatic system and the hydraulic system similar?

153

Explain how do you determine what suction pressure should be in r22 air conditioning compressors suction line?

120

What are the some examples of a periscope?

151

What is the date, first titan launch from cape canaveral?

170

Explain how pipe flanges are electrically insulated?

144

Explain how can heat be applied to acrylic?

146

Explain the difference between blower and fan?

157

What is wet corrosion?

157

Define extrued aluminum?

156

Define a slined joint?

151

Define a mechanism?

138

What is the use of pneumatic system?

200

Explain how do concrete pumps work?

142

Is there any metal that does not contain iron?

157

Explain how does a super charger work in a car?

153


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Un-Answered Questions { Mechanical Engineering }

Why supercritical boilers use less amount of steel compared to non-supercritical boilers ?

183


Sir, I have applied for the of section engineer at RRB chennai. please send me all RRB-chennai solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible.

1457


Where do you put the oil in a compressor?

162


how we can calculate the air consumption of any system.

1096


DIFFRENCE BETWEEN ISO AND TS

1357






what is the significance of line of action in gear?

1093


where can find the information on 2R manipulator?and wat is the history of this 2r manipulator?

991


How would you increase the volume efficiency of centrifugal pump?

1054


what r the advantages and disadvantages of gas burners and oil one?

947


Why should a chain drive be used over a belt or rope driven drive? State pro`s and con`s?

159


How much machining cost required for 1000x1000x16Thk(Mild steel)

996


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?

1251


Can anyone tell the exact hot water generator load calculation for central airconditioning. pls mail me at azeemk30@gmail.com

1055


Causes of M/E high exhaust valve temperature

982


I need BHEL apptitude questions

1398