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

Mechanical Engineering Interview Questions

Questions Answers Views Company eMail

Some questions was asked related to boundry layer and vortex flow.

Bhel,

1 3713

What is an EN Material. What is the difference of EN8, EN24, EN40.

Aeronautical Society of India, Ecil, Finearc, Saint Gobain, Scitech Centre, Universal Engineering Works,

5 85383

When Centrifugal compressor is a non positive displacement compressor how it goes under surge due high discharge pressure when the discharge valve partially or fully clossed. please explain me clearly

2 8028

What does CC Stand for?

Honda,

6 11562

what is the advantage of high pressure boiler & what is effect on steam consumption?

Electrical,

1 11939

what is the water hammering?

3 5614

HOW TO CALCULTE THE TR CAPACITY FOR SCREW COMPRESSOR, RECIPROCATING COMPRESSOR,PHE & COOLING TOWER? HOW TO CALCULATE THE FLOW RATING OF PUMPS?

Sanmar,

3750

What is the full form for KGF in the pipe or sheet thickness.

Sanmar,

6 18418

WHAT IS FORMULAE TO FIND THE TR CALCULATION FOR THE SCREW COMPRESSOR,RECIPROCATION COMPRESSOR,PHE CHILLER,COOLING UNIT COIL& COOLING TOWER? PLEASE SEND ME STEP BY STEP

Frick India, Grasim, Sanmar,

1 13660

HOW THE POWER INTERMEDIATE WITH TON OF REFRIGERATION(TR) COMPRESSORS ? HOW THE POWER IMPORTANCE TO COMPRESSOR FOR THE LOAD ?

Sanmar,

2 11560

Why in screw & centrifugal compressor using rolor bearing

Johnson Controls,

3 7701

List some boiler accessories

5 16410

fan having rotational motion why?

Bhel, TATA, TCS,

5 11090

we have read that when the piston goes up and down then the engine works i.e. the suction,compression etc etc. then what happens in the case of big vehicles, which start at stable condition, i.e. how does their piston moves when they are at rest. how suction,compression etc

Bhel,

5 7378

which type feect in generator and turbine in reverse power protection

2392

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Un-Answered Questions { Mechanical Engineering }

when do we use roller bearing, deep groove ball bearing, angular bearing, sealed bearing, semi sealed bearing, unsealed bearing, anti friction bearing, journal bearing, thrust bearing

1947

how to calculate duct fittings surface area ?

4409

What s gland sealing steam?

1772

How can we calculate the capacity of each impeller in a multi stage pump(Condensate extraction pump having 5 stage used in thermal power station)How it varies in pumping capacity on removing different stages?

2127

I want technical questions of previous reqruitment examination

1854

what is the three phase induction motor? what is difference between motor used in household instruments and induction motor?

1996

What are different types of gate valves?

1139

what is the required force to bend 2.5 MS sheet in 90 degrees and what is the formula to calculate the same?

2639

AS I AM BEING IN PLANT ENGINEERING & MAINTENANCE DEPARTMENT I WANT ANY BOOKS RELATED TO MAINTENANCE CAN YOU GUIDE ME THE AUTHOR.

1898

What is the normal vacuum pressure in a steam turbine atmospheric condenser? What would cause the press to falls?

1976

how long normally does the domestic refrigerant capillary tube are?

1902

What causes damage to impellers?

2032

What is the pressure of fuel oil on main engine and diesel generator?

2243

i am preparing for motor vehicle assistant inespector please send me old questions papers.

1917

Explain how does hydraulics work?

1029

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