Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

What is white metal

Hyundai, RRB,

1 2336

What is compound gage

RRB,

618

What are safety considerations in welding job?

RRB, Saudi Aramco Shell Refinery Company SASREF,

662




Explain the procedure in staring a F.O. purifier

RRB,

1099

What is a manometer and give an example of its application

RRB,

1 8968

What is acceleration

RRB,

794

Enumerate or identify the parts of purifier bowl assembly

RRB,

2004

What are the types of pump can be found in the engine room

RRB, Bhel,

636




What is an oil mist detector

RRB,

748

What type of metal is used in a propeller

RRB,

1 2890

What is the purpose of safety valve

RRB,

1 1966

What is the purpose of gravity tank in the stern tube

RRB,

2113

Explain the opening and closing of water to the bowl of the purifier

RRB,

862

Which has the greater pressure in a stern tube sealing seawater or L.O.

RRB,

644

What is the purpose of turning gear

Bhel, RRB,

750


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Un-Answered Questions { Mechanical Engineering }

Why in screw & centrifugal compressor using rolor bearing

746


alignment formulae for any two shafts for shim correction

844


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

587


how we can calculate the air consumption of any system.

826


hi, if anyone have previous year paper of NHPC or some questions, Please send me at gupta.pankaj20@gmail.com

1587






which quality steel is better for molasses storage tank? & why? IS 2062 GR A OR IS 2062 GR B

1103


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

696


what will be the minimum bearing clearance that after it will not profitable for machines?

1035


A fan is handling hot air at 285 degC with flow of 411635 m3/hr, power consumed is 1165kW and efficiency is 66%. what will happen to flow, power and efficiency of the fan if a water spray system is introduced to reduce the air temperature up to 200 degC? (also please refer any document regarding this)

777


Compare the prandtl numbers of Air, water and Liquid metal. If prandtl number is more what do you understand?

2186


how to find the L shape surface of the moment of inertia and section modulus.

953


Why head of a centrifugal pump is independent of density of fluid?.

1017


What will be expected the cut-off of J.E Mechanical exam of RRB on 19/12/2010 ?

944


What is the cause of pressure drop in a centrifugal

864


If saturated temp of water is 99.8degc at atmospheric pressure,then how the water of sea is evaporated at normal temp

803