Mechanical Engineering Interview Questions

What is the difference between torque and moment?. is there any difference between pressure ans stress?.

9723

Stress will produce strain or will strain produce stress?. How do you explain?.

14879

Two pumps connected in series , what will be the shape of QH curve ?. What will be the shape if they are in parallel.

2508

Why stainless steel is corrosion resistant?. What is stress corrosion cracking?.

9065

How will you size a pipe?. What is Darcy's formula?. From where you will get friction factor "f" ?. In darcy formula substitute f = 16/Re and now you see hf proportional to V instead of V square. How do you explain?.

1741

What is Natural frequency of Vibration?. Imagine a circular disk of radius 'r' is oscillating inside a Semi circular ring of radius 'R', how will you find natural frquency of the system?.

12936

What is critical pressure ?. What will happen if water is heated above critical pressure and temperature?. What importance it is having related to Boiler?. Upto what presrure natural circulation is possible in Boilers?.

2051

Steering handle (round dial) of motor vehicles (CAR,BUS,LORRY) wiil be designing with two cross supports without 180 degree straightness( it will be little bit cross). Why?

1579

bearings types

6826

I am doing 3rd year mechanical engineering. I want to place in good mechanical engineering core company. So please guide me how to prepare for interviews, and what can i do for placed in good company?

1425

tell me the example of cam in daily use

3262

previous question papers for group 2

1476

what is the difference between impact force and sudden force? pls give any example.

1567

dQ-dW=1 which of the law is obeyed by the equation

11181

How many volts required to fire spark plug.

18972

Un-Answered Questions { Mechanical Engineering }

Contaminants of fuel oil

1488

design of a dust collector?

1636

meaning of 125kva DG

1807

What are the causes of emergency stop in a steam engine?

1544

What is volumatric air change of a HOT GAS GENERATOR of a STEAM BOILER ?

1686

state the law of thermodynamics?

593

why constant pressure is consider for thermal diffusivity??

1596

For example, If raised PR (purchase request) of 1"inch ss pipe so what description in mention in purchase request?

1362

What is the temperature at which diesel normally boils?

680

What are the requirements of a good fuel?

1590

Define cotter joint?

697

Which outer cover is on the welding rod?

810

What happens when too much cylinder oil is injected in the working cylinder?

1833

In terms of electrical enhineering, give a detailed explanation of the "earth fault loop path"

1893

What is the difference between torque and power?

652