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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

What is NPSH of a Centrifugal pump ? How is it varied by the pump manufacturer for a particular model of pump ?

3 3820

What is the purpose of using Pro-e, Ansys, AutoCAD...? Before establishing these softwares how the complex jobs were designed manually?

2 11645

What is the difference betwn a tube and a pipe .

3 3532

why 2 APH used in one boiler

Essar, Hetero, IOCL,

3 6420

What is the measuring unit of tensile strength in Gray cast iron ?

Mico,

2 2736

how calculated 3 load upon application? I mins 6308 bearing plz.give me answer

1 2244

if dirty fluid is flowing through pipe,how it affects frictional loss?

4 2916

What is the meaning of Moving, Non moving and slow moving ites?

1 2154

what is the meaning of MIN MAX?

971

Why required STORE to Factory?

2 2448

Describe The Complete actvities of the STORE KEEPER?

1417

Describe How much Record maintain store Keeper and Write use of the Records?

1138

In case of AHU ,how to arrive at chilled water USGPM of the AHU in case the AHU CFM is given. Can some HVAC genius please advise.

SR,

3 14754

Why required store to Factory?

952

explain the methods of measuring aproblem of armature reactionof DC machine?

850


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Un-Answered Questions { Mechanical Engineering }

If any changes done in the process of production what that is called.

957


substance is flowing in a pipe of 200 mm inside cylinder diameter ot an average velocity of 3m/sec. At a given section of the pipe line the pressure is 1.5 MN/m² absolute. what is the flow work of 0.5 cubic meter, expressed in joules passing through section? (a)1J, (b)75000J, (c)90000J, (d)25000J

199


What is the turbine and how does it work?

148


At 50 Centigrade (Diesel oil) what is its cast?

986


Why gas containers are mostly in a cylindrical shape?

156






Define grashof number [gr].

188


Would you please provide me with questions collected for interview regard to pressure vessel, which is in the aspects of welding, NDT, materials and painting? Please send these questions&answers to lgx_jasmine@126.com within 1 week, Thank you for your help. Rgs!

963


what is the reason of hat and work is not conserved energy?

973


What will cause if you run your engine in critical RPM continuously?

1265


State fourier’s law of conduction.

152


SIR plz send me old exam papers for RRB chennai

1866


Explain the difference between upstream and downstream in a refinery?

126


Disposal of radioactive waste materials and spent fuel is a major and important technology. How the waste radioactive material is disposed off ?

182


Why pert is preferred over cpm for evaluation of project ?

170


What do you understand by catenary cable ?

191