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Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

WHAT ARE EARTH MOVING M/CS? WHAT IS BATCHING PLANT? WHAT IS HYDRAULIC JUMP? WHAT IS TIPPER (EARTH MOVING M/C)?

1774

DRAW REFRIGERATION CYCLE? WHICH REFRIGERANT USED IN IDUSTRY & HOME? EOT CRANES SPEED ? WHAT IS KOM ? TELLL ME ABOUT YOU? WHAT WAS YOUR FAVORITE SUBJECT?

3 3261

which kind of force act when the piston slides inside the cylinder?and how to calculate that force or stress theoritically.

4 3565

what are the parameters are selected while manufacturing a single cylinder block?what are the different kind of test is conducted on it so that it can withstand with all those condition which required to run the engine efficiently.which force is act when piston slide inside the cylinder.

1054

what are the parameters are selected while manufacturing a single cylinder block?what are the different kind of test is conducted on it so that it can withstand with all those condition which required to run the engine efficiently.which force is act when piston slide inside the cylinder.

Emco,

1077

types of stainless steel.why does this called stainless.what is passivation related to SS? What is sensitisation in stainless? Examples of diffrent type of steel e.g. austenatic,martensite,ferritic etc. 304,303,316. How to get rid of carbide formation in SS and stablization in SS.(347 etc.)Different type of heat treatments. Iron carbon diagram. Nelson chart with respect to corosion. Diffrent type of corosion and causes. Carbon equvalent number. Welding related questions.(requirement of post and pre heating in welding). welding of SS. If you have pre experience in maintenance then Material and welding related questions will be there. Then various types equipment in plant (a) static (b) rotatic in pumps and compressor,turbines funda of balance drum and balance disc, balancing line. Impulse wheel, wheel chamber pressure and its effect on turbone health if this increases. Thermal expansion of turbines and with respect to how foundation bolting are designed. Fixing of lower casing before dismantling. Most important shaft alignment and balancing of rotating equipment,classification of static and rotatic equpment used in process plants. Materials for diffrent services as refinery plants fertilizer plants, cement plants, sulphur plants, crude oil with higher sulphur services, then third important thing is codes, standards and recommended practices of diffrent organisation like ASTM,ASME,API,TEMA,BIS,IS,ISO,NPFA,OISD etc. diffrent type of work permit systems fire and safety point of view.

1 4736

how water evaporated in sea

OGDCL,

1056

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

1229

how water get evaporated in cooling tower

4 3977

if in centrifugal pump suction,discharge and impeller size constant and motor rpm increase.what is the effect on motor ampere?

3 3238

How do we calculate the CFT?

1 3105

All industrial (power plant, sugar. Cement etc...) chimneys are circular in shape rather than any other shapes... Y..?

BPCL Bharat Petroleum, UltraTech,

9 14041

difference between pipe and tube

16 15813

Respected Sir, I am preparing for J.E of RRB Chennai.Please send me all RRB Chennai solved paper in the year of 2004 to till date. My ID is musini_p@rediffmail.com Thanking you sir, Anand

1 1805

Dear sir, I have applied section engineer post at rrb Chennai.Please send me the previous technical question papers and answers

RRB,

1109


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Un-Answered Questions { Mechanical Engineering }

how gravity filling machine is designed

1474


What is the most important thing you have achieved as an engineer?

136


How the F.W.C. system of diesel engine circulate?

1155


Explain how the lubricating oil circulates in a diesel engine.

1022


What is the use of white metal?

1204






Who invented the four stroke engine? According to you which one is more efficient, four stroke engine or a two stroke engine and why?

188


Name the boiler that does not need a steam drum.

138


Define heat transfer?

146


state the law of thermodynamics?

133


What is the importance of Prandtl Number in heat transfer?.

2067


What is compound gage

886


CAN ANY ONE TELL ME WHEN WILL CONDUCT ASSISTANT MOTOR VEHICLE INSPECTOR /RTO APPLICATIONS WILL RELEASE

1033


Did you have a favorite project that you had to do while in school?

135


define material grades 15b25,10b21,scm-415,16mncr5 in detailwith their compositions

8241


what is the use of choper motor in pyrometer ?

1066