Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

how to compute the cfm in 1 room .please give the answer and the formula to get cfm need in 1 room

1 1151

Explain proportional limit and elastic limit.

Reddy Labs,

1 1915

What is the difference. between shearing and tearing

Reddy Labs,

3 8474




What is the difference between Reciprocating and Rotory Engines?

NCC,

1 2076

what is Density of Fe410W IS:2062? Anyone have Density material table?

ABB,

1542

what should do  to reduce the breakdown of fire water pump?

Essar,

1 916

What i the role of a turning gear attached to a shaft line of a steam turbine

2 1285

Is it possible to make common ducting for Induced draft boiler with Forced Draft Boiler?  Induced Draft Boiler is having Agrowaste type and Forced Draft Boiler is of Oil Firing type.

Janardan Metal Industries,

660




1.5 ton how many amps

SAS, Suvidha Engineers,

2 2367

How to know the bearing number if we know the shaft diameter and RPM?

TCH,

1 1479

how to know the bearing number if we know the bearing outer dia. and inner dia and width of bearing?

PGES,

1 1148

i had supply in my previous semester but i cleared it now. Now i am also select for a job where there is a provision that they can select me for the job if i clear all the semester till the time of joining . so can my previous supply effect my job?

HCL,

2 1219

what is the purpose of bowl in a centrifugal purifier?

ACC,

2 1415

which type of thread is using for energy transfer..??

California Institute of Technology (Caltech),

1 1614

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

492


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Un-Answered Questions { Mechanical Engineering }

define fans and explain its types?

816


i want to know the difference between proportional hydraulic valve & servo hydraulic valve

959


how to prepare for bhel et interview

2386


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

865


what is the pattern of written test for the post of trainee mechanical engg.

1024






present salary with all benefits (ctc) please give breakup it possible ?

1403


how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.

772


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?

914


Please inform about mahagenco exam 2010?

1718


sir i have applied for ntpc and engineers india can u suggest some books which have one words.

747


how can I masurement the circale weight ? like- 312mm i/d x 392mm o/d x 6mm thick.

671


why desuperheater tubes are bend in shape

1465


How hydrulic power stearin @ lutch works plz explain?

789


distinguish the knock phenomena of ci and si engine?

4570


Methods to dry up wet induction motors?

759