Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

What is the effect if tour refrigeration system has an air?

RRB,

1 1672

What is short cycling in refrigeration system?

RRB,

1673

What is the hottest part of refrigerant in the refrigeration system?

RRB,

3 5581




Diagram of refrigeration?

Bosch, RRB,

3 3836

Give the function o evaporator?

RRB,

2 3063

What is a magnetic valve of refrigeration system?

RRB,

990

"In refrigeration, why during operations is running low pressure at the suction side?"

RRB,

2 2682

What is a liquid flooding in refrigeration system?

RRB,

1 1350




What are the safety devices that are fitted in a refrigeration system?

Samsung, RRB,

894

What is flaring tool?

Godrej, RRB, TRF,

2 3763

how does the lybrinth glands work in sealing a turbine? how exactly turbine sealing is done? principle of it?

GMR,

1037

Sir i am appearing for the section engineer post examination of railway recruitment board.Can you please send me the previous question papers from 2001 to till date.

873

the avg piston speed of an internal combution engine increases as cylinder dimension decreases justify?

L&T,

826

What is difference between centrifugal compressr and screw compressor?

1 1879

What are the advantages and disadvantages of screw harmatic chiller respect to centrifugaal chiller machine?

Bhel,

1101


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Un-Answered Questions { Mechanical Engineering }

how to calculate bearing pre-load?

1802


HOW FORCE ACTING ON SPUR AND HELICAL GEAR

699


based on the recruitment program and the expected resumption date

469


Is copper tube withstand under hard water say as 500 TDS.And is it cleanable by solfamric acid or by tube brushing

1114


what is air intake system

726






Who has the most influence in ur life? & in which way?

848


Lowest temp in vapour compression cycle in :(Ans:Expansion devices) Contineous welding is type of :(Seam Welding) refrigerant in domestic Refrigerator:(R 134 A) Lowest critical temp of refrigerant:(Freon) Statement....this is .....law:(Avagadros law) Ratio reynold no to prandtl no is:(Pecelent no) if welding is done from right to left then what is the name welding:(Not known) slip gauges are made up of:(alloy steel) clearence between meeting surfaces is due to which gauges: question on rubby laser,rake angle,heat treatment processes,joules law,bell coleman cycle like a/c works on which cycle?

1051


For a high pressure/ high temperature multistage pump (Boiler Feed Water Pump), what is the average life of mechanical seal? Does life of DE and NDE differ, if differ, how much? Why?

806


Dear Sir, Please send me the questions frequently asked during bhel persoal interview for supervisor trainee With worm regards, Alok Kumar Rout e-mail id- rjdalok22@gmail.com

709


I am completed diploma in mechanical in 2002, i have 5year experience in materials (purchase) dept,i want to do SAP cource in MM module, i want to know can i complete SAP after diploma cource only, is it usefull to me for further Job opening.

944


If you are scientist to b e and you wish to develop a self-generating power appliances, what would b e the ranking of importance to apply your concept of creating energy using alternator: 1. Washing Machine 2. Motor Water Pump 3. Electric Fan 4. Electric Stove 5. Flat Iron – Which one will b e your foremost and the least at the rank of 1 to 5? Why is that so? Defend your answer.

449


What are the types of cleaning main engine Turbo Charger blower side?

1009


I have mechanical job experience. I am planing to get diploma with the basis of my experience. which institutes will do this in fast track mode.

1236


What is the profile of QA engineer

785


7. What are the different types of conventional and non conventional machining processes

865