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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

what is the difference between suction lift & suction head?

NTPC,

4 38508

how the magnetic trains are leviated(MAGLEV)?

 1479

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

 4 20109

What is unit of power

Bhel,

26 17850

which material used in railway track

 11 9750

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

 2 4564

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

Total,

2 13860

HOW FORCE ACTING ON SPUR AND HELICAL GEAR

 1476

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

Lanco,

6 20167

What is the difference between speed and velocity?

 6 6300

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

 2 4545

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

 2 4273

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

 1389

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

BARC,

5 13893

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,

1762

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Un-Answered Questions { Mechanical Engineering }

How oxygen can be removed from steel during melting? What are fully killed steels ?

702

What is the critical speed. Compare the critical speed of hollw shaft and solid shaft.

2135

calculate the expantion of steel bar 2,5 long if its temperature rises from 20 degrees to 250 degrees and its co effient of expantion is 0,000011 mm degrees

377

What is pitting ? How it is caused ?

662

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

1621




how to calculate air load of a existing/ new plant before installing a air compressor.

1542

how to size an expansion tank in chiller system ?

1625

QUSETION PAPERS SOLVED FOR THE LAST 4YEARS RRB EXAMS

1764

What is the most important, or helpful,project that you have contributed to?

571

what is the procedure to start the turbine?

2043

What is meant by cross flow heat exchanger?

631

How do you find ductile-brittle transition temperature of metals?

577

What is blast furnace

5132

WHICH ONE IS PREFERRED, VERTICAL OR HORIZONTAL PUMP WITH COMPLETE TECHNICAL DETAILS

1934

hi sir would u plz kindly send me d previous years IOCL test papers......plz send it to this email id...jomygeorge787@hotmail.com

1538

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