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 40325

how the magnetic trains are leviated(MAGLEV)?

2071

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

4 21515

What is unit of power

Bhel,

26 24679

which material used in railway track

11 13126

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

2 5595

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

Total,

2 14859

HOW FORCE ACTING ON SPUR AND HELICAL GEAR

1932

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

Lanco,

6 22327

What is the difference between speed and velocity?

6 8285

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

2 5515

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

2 5295

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 15701

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,

2315

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Un-Answered Questions { Mechanical Engineering }

What is a mechanism?

1096

What is the difference between alpha iron, delta iron and gamma iron ?

1248

hallo I am looking for technical theortical knowledeg in air flow inside pipe and tunel's such as resisten of surefa's calculation and sempal's of calculation hopethat some budy can halp my thank you from devas

2357

why we r recommended for pre-action sprinklers @ generator/tx/mv panel room. If any leakage there,that panel will damage. So what is the Logic for pre-action sprinklers there?

2130

can u give me model question papers for exam preparation .

1882

Machine tool guideways are usually hardening by ?

1263

Name any four commonly used refrigerants.

1192

How a main gate (steel) get support from top whlie slides on the rail fixed on the bottom surface??

1895

Please tell about the water type h.v.a.c with it's cycle and functions of each parts ?show me how talented u r?

1637

HOW LIGHTENING PROTECTION IS DONE ON ROOF OF SQUARE SHAPE AND HAVE PARTUCULARLY BIG SURFACE AREA.

2043

What is periscope?

1049

pls send me HPCL model question paper for the post of officer trainee for mechanical engg. tnk u....

2029

What is Rig floor..?

1568

How do you repair a hydraulic jack?

1060

Why RPM cum hour meter connection is not possible in water cooled DEA set. Is there any problem in sensing?

1992

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