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 machin

Jindal,

4 8238

what is the relationship between psi,cfm & bar in the air compressor?

Jindal,

9 77552

what are the different types of pump-sets available?

4 6380

plz tell me the types of air compressors? & purpose of air drier?

3 6429

1: t-s dig. of gas turbine and efficiency[with reason]? 2: t-s dig. of compressure and efficiency[with reason]?

3 5237

u r a mech engg y do u want to join for sales and masketting

2 4593

Why freezer in the fridge is placed in top level?

4 6945

a compressor running at 100 rpm gives 40% efficincy speed increase from 200 wt will be the efficincy???????????

2 4598

what is the difference between bolt tensioning & bolt torquing give in detail ??

2 25010

1.difference between TIG & MIG welding 2.specific speed of turbine?? 3.material of aircraft turbine blade?

ONGC,

5 11564

Wat is the accumulator & what is the function of it?

TATA,

4 7779

What is A Check, B Check, C Check & D Check for Diesel Generators?

ISG,

1 3028

what is the magnetic (electric) center)

1863

what is the reason if a supply air grill located top of the glass and glass is getting sweated.become like mist.

Carrier, Sail,

2060

Which pump is better : a) with Less NPSHr or b) with more NPSHr

3 5398

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Un-Answered Questions { Mechanical Engineering }

What is meant by indirect contact heat exchanger?

1040

1) Any pipe line working fluid may water / steam on it one manual isolation valve suppose one side of valve 6 kg/ cm^2 pressure (i.e. up stream) and other side is “ 0” kg/ cm^2 pressure(i.e. down stream) . So how much Tourqe required for opening the valve in terms of Newton force wheather normal man can open this valve. (for reference pipe nominal bore is 100 NB )

1827

Do you work for many hours each day?

1040

What are the dimensionless parameters used in forced convection?

1047

AFTER OVERHAULING KTA19G3 AND JUST ABOUT TO START ,BUT WE DIDNT FIX THE OIL SUMP AND TEST FOR -WATER LEAK FROM LINER O RING SIDE,THEN WE FILLED WATER AND FOUND WATER LEAK FROM INSIDE OF ENGINE -CAM FOLLOWER SIDE PLEASE GIVE ADVICE TO RECTIFY THE SAME

1795

What causes diesel engine trouble when using heavy oil?

2057

Why the work per kg of air flow in axial flow compressor is less compared to centrifugal compressor for same pressure ratio ?

1085

Describe The Complete actvities of the STORE KEEPER?

2251

hi friends kumar here if anybody of u have essar placement papers than plz send it to me i need it urgently..ok mail id is kskalyani@gmail.com

1902

Action plan to closr NCR (NON COONFORMANCE REPORTS)

2234

Causes of emergency trip of diesel engine

1957

What is space heater?

1797

Checking points in steering gear system?

1913

What the function of bye pass filter in DG.

1723

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

1929

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