Mechanical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mechanical Engineering Interview Questions

Questions Answers Views Company eMail

what is the difference between suction lift & suction head?

NTPC,

4 40319

how the magnetic trains are leviated(MAGLEV)?

2071

Why do 4 stroke engine uses valves while 2 stroke engine uses ports ????

4 21505

What is unit of power

Bhel,

26 24634

which material used in railway track

11 13106

Air is a bad conductor of heat.why it becomes hot in summer?

2 5586

what is 15w-40grade oil. means what 15,W,40 stands for?

Total,

2 14855

HOW FORCE ACTING ON SPUR AND HELICAL GEAR

1927

in power plant lube oil system, if oil mist/vapour eliminator is not running what are all the consequences occur in system?

Lanco,

6 22309

What is the difference between speed and velocity?

6 8271

What is the significance of torque(in N-m) given in the engine specification ???

2 5509

Why the rear tyre of a tractor is having a larger diameter than the front ??? ASAP...

2 5287

Name of the tables which is going to join two tables in querry ?

1857

Which is more efficient? A rear engine Volvo Bus or a Front engine Volvo Bus? (Engine Capacity is same 4 both) why????????????????????

BARC,

5 15684

what is critical temprature discuss that is any pressure greater than critical pressure is valid for boiler design.....2 in what cycle steam power plant is based draw h-s diagram.different process to make gear what is tooth profile what is generatic and directric and many more as i m doing mtech thats why interview was of 30 minute...........

DVC,

2309

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Un-Answered Questions { Mechanical Engineering }

what are the uses of eutectic alloys?

1975

What is the function of mouth ring

2481

i have completed b.tech from mechanical engg so plz send me some question paper for entrance exam

2308

What is the difference between isentropic process and throttlinglprocess ?

1174

What are the factors affecting the thermal conductivity?

1175

Difference between turbocharging and supercharging in diesel engines?

1488

What instrument in a car measures its speed?

1202

IF RPM OF PTO OF TRACTOR IS 540,torque at pto is 21kg/cm sq.& WE NEED IT TO 1800 RPM ,THROUGH GEAR ONLY FOR THAT WHAT WOULD BE ETHE GEAR STRUCTURE( I.E.NO TEETH OF BOTH GEAR ) IN ORDER TO GET 1800 RPM OUTPUT.

2260

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

1945

Explain the difference between the flight of a plane and a helicopter?

1135

What are the advantage and disadvantage of using lpg in a car?

1091

What will be expected the cut-off of J.E Mechanical exam of RRB on 19/12/2010 ?

2134

What is the purpose of liquid receiver IN the refrigeretion system

2352

Do you receive good benefits as an engineer job?

1066

Causes of F.O. Purifier abnormal flow?

1982

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