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Mechanical Engineering Interview Questions
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1. What will happen if the armature rheostat is not in maximum position while starting the motor? 2. What will happen if the armature resistance is in minimum position and the eld resistance is in maximum position while starting the motor? 3. How do you reverse the direction of rotation of a DC motor? 4. If the armature connection and the eld connection both are reversed, does the direction of rotation of the motor reverse?

 2 4464

meaning of 125kva DG

 776

defination of octane no & cetane no

 2 4936



what will happen if outlet of electric pump is closed though pump is running?

IIPM, Besco,

1106

what is the main purpose of reheater in a coal fired boiler

L&T,

3 7014

Why do you think you would like to work for our company?

Ranbaxy, Emerson, KFIL,

1 4286

Why do you think we should hire you for this job?

Ranbaxy,

2 4707

Why did you leave your last job?

Ranbaxy, IBEX, Nikhil Comforts, Sabic,

1 4363



What is the difference in specification of following pipe stand for 1 seamless pipe 200nb material SA355,P22,SCH80 AND 2 SEAMLESS PIPE 200NB,SA335,P11,SCH80

 1 2629

WHAT IS THE BASIC THING SHOULD FOLLOW IN AIR CONDITION DESIGNING?

 1 1734

Can we make invoice for Intersate with 12.5% CST

 2 1796

what is the use of CW(Circulating water ,clarified water,cooling water),auxiliary cooling water(ACW),auxiliary raw cooling water(ARCW)in thermal power plant.plzz explain the different characteristics of these types of water.

NTPC,

2384

explain bicycle rear wheel sprocket working?

 1 4625

how to calculate bearing number to dia of the inner and outer

Hyundai, MMM, Horreia, Leoplast, SKF, ABC, PRAN-RFL,

2 21293

What is the difference between Over Molding and insert molding ?

 3851

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Un-Answered Questions { Mechanical Engineering }

why do u ant to join the indian army??

862

WHAT IS A TR REQUIRED IF AIR FLOW 6500 CMH COIL INLET TEMP 7 - 12 DEGREE C AIR TEMP INLET - 18 DEGREE C & REQUIRED TEMP IS 12 DEGREE C

2300

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

699

can a deareator be placed at any height with care that suction (NPSH) for feed pump is satisfied

663

Where id the warm side of a refrigeration system?

895




what is mean by cc critical characteristic, hic high impact characteristic

955

In a four-stroke diesel engine, In what engine exhaust valve will open?

733

If you want to provide water or any chemical @ 50 meter height how much head will you prefer for any selected pump...consider it is M.S pipings...how much friction loss will be there...show with calculation.

982

Properties of F.O. the cause damage on auxiliary boiler.

804

what is the equvalent indian material code for EN10025/2- S75JR

1459

what is EN in pipes property?

814

What is function (in details) room sensor and tube or coil sensor in HVAC system?

182

in a pump, impeller wear ring is harder or casing ring? why?

1090

i am studying in bechanical engineering in M,S,University at Baroda.i and my friends want to take one month industrial trainning in mechanical engineering company.pleas send some company's name and procedure.

667

What is the purpose of a de-superheater?

806

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