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Updated by 62144596 on Jun 02, 2014
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123 Interview Questions InBtech& BE Mechanical Engineering

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Here are 123 Interview Questions in BS/BTech/BE Mechanical Engineering, especially if you are a fresher. Make sure you prepare for these questions before going for your interview. Also, please do add your own questions below if you think we have missed out any in this list. We would be happy to receive your inputs!

1

Name one recent advancement in the field of Mechanical Engineering that has impressed you.

Name one recent advancement in the field of Mechanical Engineering that has impressed you.
2

What is bending moment?

What is bending moment?
3

What is the difference between a Shaper and a Planner machine?

What is the difference between a Shaper and a Planner machine?
4

Explain the nomenclature of a 6203-ZZ bearing?

Explain the nomenclature of a 6203-ZZ bearing?
5

How does failure of a Knuckle Pin occur?

How does failure of a Knuckle Pin occur?
6

Why are automobile tyres always made black?

Why are automobile tyres always made black?
7

Why is Involute Curve used in gear?

Why is Involute Curve used in gear?
8

Which is more efficient? Diesel engine or Petrol Engine?

Which is more efficient? Diesel engine or Petrol Engine?
9

What is operating pressure?

What is operating pressure?
10

What are the points in the stress-strain curve of steel?

What are the points in the stress-strain curve of steel?
11

What is the Zeroth law of thermodynamics?

What is the Zeroth law of thermodynamics?
12

What is ductile-brittle transition temperature?

What is ductile-brittle transition temperature?
13

What is the difference between a Relay and a Contactor?

What is the difference between a Relay and a Contactor?
14

How can we calculate the tonnage of a Mechanical Press?

How can we calculate the tonnage of a Mechanical Press?
15

What is Plant load factor?

What is Plant load factor?
16

What is the difference between Critical Speed and Whirling Speed?

What is the difference between Critical Speed and Whirling Speed?
17

Explain Otto cycle in detail

Explain Otto cycle in detail
18

What is the function of EGR valve?

What is the function of EGR valve?
19

What is gear ratio?

What is gear ratio?
20

What is Hess Law?

What is Hess Law?
21

What is the mechanical advantage of a double pulley?

What is the mechanical advantage of a double pulley?
22

Explain the 2nd law of thermodynamics

Explain the 2nd law of thermodynamics
23

What are the materials used for sliding wear pad?

What are the materials used for sliding wear pad?
24

What is the difference between gas turbine and steel turbine?

What is the difference between gas turbine and steel turbine?
25

What is knurling?

What is knurling?