Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

what is the use of vacuum balancing valve in CEP

NTPC,

965

what is critical temprature

TATA, MAHINDRA,

10 7388

in what cycle steam power plant is based

IOCL, BDL, NTPC,

13 8405




what are da different process to make gear

TATA,

5 4676

what is tooth profile

TNPL, IOCL,

982

what is generatrics and directrics

TATA,

2399

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

1 3855

What are the differences between heat transfer and mass transfer?

TATA, NTPC,

6 25594




DIFFERENCE BETWEEN CODES,STANDARDS & SPECIFIFCATIONS?

Essar, Mecon,

3 3782

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

6 6685

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

NTPC,

5 10354

What are the procedures of starting of diesel engine?

4 3445

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

Bhel, NTPC,

4 10017

what is difference between fan and blowers

Mecon, GAIL,

11 28722

How the speedo meter ratio was decided for vehicle?

TATA,

681


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Un-Answered Questions { Mechanical Engineering }

"In boiler, what does steam and smoke goes out to the funnel. What reason?"

684


what is the difference in Gas Welding and Gas Cutting?? Second Question is for Huge Casting which method is used??

428


Is OHNS steel is equivalent to O1 tool steel? Suppliers give OHNS material for AISI O1 STEEL telling that both are equivalent materials. Is this correct?

1166


efficiency of diesel generator set:kwh x 3410 x 100/ fuel in ltrs x 0.87 x 2.2 x 19000. is it correct formula

1334


What are you going to inspect or check when you open the crankcase?

835






The lowest allowable insulation resistance?

727


How to find ground in main switchboard?

726


how to calculate cooling water require to condense x amount of vapor in a condenser.

710


what is the meaning of rheostat in maximum and minimum position?

1489


• Which is the latest one?

839


how we can calculate the air consumption of any system.

826


please send me samples of tech. & aptitude tests

814


can i use IS 2062 gr B pipes in the softening plant pipings?

930


what do you mean by turbine droop?

835


why does polytropic efficiency of a compressor decrease with increasing flow rate ?

1304