Mechanical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mechanical Engineering Interview Questions

Questions Answers Views Company eMail

IN AC mechanical fuelpump what stands for AC? IN SU mechanical fuelpump what stands for su?

Nissan,

3427

1hp=how much rpm

Fiat, MAHINDRA,

2 8989

how many kinds of bearing?

ACC, JSW,

3 9143

what are the main problems of solar electrical systems? to make quality control on, which parameters that need so?

2100

what are the main challenges with solar energy system?

2248

how many psi to one bar?

6 9336

what is the different between mechanical starter vs electrical starter? Solid stage starter? Soft starter?

Infosys,

2366

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)

1957

have a clutchless car or bike clutch for power transmission???

2176

gearless vehicle used which type of gearbox and do this work????

JCET,

2232

What is Temperature ?

Dr Reddys, Reddy Labs,

5 8766

what is difference between pipe and tube.

Jaiprakash, Sterlite,

4 10314

difference between wps & pqr

MRF, Spicer India, TCS,

3 14273

1. Centrifugal pump is used to drain the coolant from the machine to coolant tank via magnetic separator and paper filter. But more foam is raising in the coolant tank. We need to arrest the foam formation inside tank which is nt desired. How do we correct this issue? (Hardness of the water is at recommended ppm).

Nissan,

2 5257

1) Any pipe line working fluid may water / steam on it one manual isolation valve suppose one side of valve 6 kg/ cm^2 pressure (i.e. up stream) and other side is “ 0” kg/ cm^2 pressure(i.e. down stream) . So how much Tourqe required for opening the valve in terms of Newton force wheather normal man can open this valve. (for reference pipe nominal bore is 100 NB )

Ansaldo,

1941

Post New Mechanical Engineering Questions

Un-Answered Questions { Mechanical Engineering }

what is the difference between fire grate in a boiler and the burner? and is the fire grate is the furnace of the boiler?

1915

I have just joined mechanical engineering this year. I just wanted to know the names of the books which would improve my engineering knowledge and skills. Or isthere any other means to improve it?

1096

What is gtsc technology?

2339

What is the effect of friction on flow of steam through a nozzle ?

1258

SOMEONE POST THE MODEL APTITUDE QUESTIONS FOR MRF TYRES PLz pLZ pLZ ..Very urgent

5896

fan having rotational motion why

2554

Explain the difference between grey iron and white iron. What is mottled iron ?

1128

Who invented the four-stroke engine?

1162

what should be the correct duration of slow firing of the coal based and biomass boiler?

2081

Where pneumatic system is used?

1105

How much fuel is to be burn for production of 1 ton steam?

2001

What do you know about DG ,A,B,C, D, Check and safety of generator.?

1565

What is meant by hybrid vehicles?

1976

DEAR SIR, I NEED A MODEL QUESTION PAPER OF JSPL. i'M IN mechanical BRANCH. E-MAIL ID:sksuman289@gmail.com

2236

What are materials used for manufacturing of gears ?

1163

For More Un-Answered { Mechanical Engineering } Questions Click Here