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 compressor out let pressure siemens v 94.3 a gas turbine ?

2 9540

how many filters at durty side in air intake system in siemens v 94.3a

1930

what is the type filter in clean side in ge 9 fa gas turbine ?

2029

how many nozzles in gas inlet in siemens v 94.3a

1 5253

how a train take turns though there is no differential gear?

2 15067

which technology use in bikes

TATA,

2023

what is the reasson after complition of suction stroke and started compression stroke inlet valve open for few digrees

TATA,

4 8092

which material used in railway track

TATA,

10 23542

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

TATA,

5 18258

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

TATA,

1 4026

What is machine

6 7888

What are the protections required to protect turbine?

NTPC,

4 8030

what is ERW PIPE & Seamless PIPE Out of ERW and Seamless which one gives good results for an impact force of 2700 N??

NTPC,

2 7576

how can calculate how much steam is to be required for generation of 1MW electricty?

NTPC, SVRI,

8 46435

Can we use pure oxygen in IC engines instead of air?? what would be the advantages and disadvantages of using it?? Have any steps been taken about this??

College School Exams Tests, TATA,

5 14535

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Un-Answered Questions { Mechanical Engineering }

What do you understand by fuel cycle in nuclear plants ?

1055

What is the use of white metal?

2175

what's the difference between front and rear wheel drive?on what basis we choose the type of drive?

1941

Why tampering to be done?

1810

written test: 1) periodical and monthly maintenance are called preventive or panned maintenance. 2) Mechanical seal parts and their material. 3)Urea plant main parts and their construction material details.4)Name diagram of the given turbine5) Turbine nomenclature like API name.6)All types of corrosion like Galvanic and oxide with example.7)Parts of gate valve and its usage. diaphragm gate valve usage. etc.....

2281

one kg of gas is compressed adiabatically from 1 kg/sq.cm,1 cubic metre volume and 300 kelvin to 5 kg/sq.cm,0.5 cubic metre and 400 kelvin.work transfer in this process will be

7300

Why entropy change for a reversible adiabatic process is zero ?

1210

what is the minimum velocity of cooling water for maximum efficiency of condensor.

2184

What device installed in the F.O. system when excess oil return to drain tank?

1941

What is the thermal efficiency of a diesel engine?

2004

Define angular momentum?

1094

What is the use of center punch?

1254

Explain the mechanical advantage of a double pulley?

1171

Dear Sir, i want to know formula for steel BAR/SQUARE/HEX/FLAT>LENGTH. SUPPOSE I PURCHASE 10 KG OF ROUND BAR OF DIA. 20MM SO WHAT LENGHT I GET. SAME FORMULA FOR HEX/SQUARE.?

1810

give me an example of time when u something u tried to accomplish and failed.

1899

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