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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 7074

meaning of 125kva DG

 1982

defination of octane no & cetane no

 2 6938

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

Besco, IIPM,

2378

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

L&T,

3 10194

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

Emerson, KFIL, Ranbaxy,

1 6282

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

Ranbaxy,

2 6728

Why did you leave your last job?

IBEX, Nikhil Comforts, Ranbaxy, Sabic,

1 6219

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 4099

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

 1 3152

Can we make invoice for Intersate with 12.5% CST

 2 3747

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,

3816

explain bicycle rear wheel sprocket working?

 1 6334

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

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

2 25210

What is the difference between Over Molding and insert molding ?

 5029

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Un-Answered Questions { Mechanical Engineering }

What is welding?

820

Low water in boiler drum is unsafe because it may result in overheating of water tubes in furnace. Why it is unsafe to have high water condition in boiler drum ?

828

What do you understand by catenary cable ?

974

What is universal coupling?

821

What causes crankcase explosion?

1742

What are the important operational performance parameters in design of fuel firing equipment ?

1166

When we are calculating the heat load sheets,why we are not considering the heat developed from the blood in the human body.Also both men & women can't acess aircondition in same way..women feel too cool even at 22 degree,while men can overcome that.

1660

fan having rotational motion why

2254

What are considerations taken into account while creating a piston head?

875

Pls tell me the diff bw impulse turbine and reaction turbine

1769

How to calculate the no of straps required to hold a bar bundle which varies in different length? Ex say 6M bar ,weights 1.3 ton with 250 bars in the bundle.

1088

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

1730

How many lubricating holes are there in cylinder?

1719

What are the causes of liner high temperature?

1721

What is mean by greenfield project?

829

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