65867 01 interview introduction interview preparation interview puzzles mechanical objective Interview Questions Mechanical Engineering Objective Questions

Mechanical Objective Questions | Mechanical Objective Type

 558d0 01 interview introduction interview preparation interview puzzles1 mechanical objective Interview Questions Mechanical Engineering Objective Questions

1. Which of the following variable controls the physical properties of a perfect gas?

a. Pressure

b. Temperature

c. Volume

d. Atomic mass

e. All of the above


Answer:

All of the above


 

2. If heat be exchanged in reversible manner, which of the following property of the working substance will change accordingly

a. Temperature

b. Enthalpy

c. Internal energy

d. Entropy

e. All of the above


Answer:

Entropy


3. Compression ratio of I.C. Engine is

a. The ratio of volume of air in cylinder before compression stroke and after compression

b. Volume displaced by piston per stroke and clearance volume in cylinder

c. Ration of pressure after compression and before compression

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d. Swept volume / cylinder volume

e. Cylinder volume / swept volume


Answer:

Volume displaced by piston per stroke and clearance volume in cylinder


4. Coefficient of friction is

a. Angle between normal reaction and the resultant of normal reaction and the limiting friction

b. Ration of limiting friction and normal reaction

c. The friction force acting when the body is just about to move

d. The friction force acting when the body is in motion

e. Tangent of angle of response


Answer:

Ration of limiting friction and normal reaction


5. Dynamic friction as compared to static friction is

a. Same

b. More

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c. Less

d. May be less or more depending upon nature of surfaces and velocity

e. Has no correlation


Answer:

Less


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4 thoughts on “Mechanical Objective Questions | Mechanical Objective Type

  1. Rahulmon R

    Itz very good for providing basics to a new comer in this field and also very useful for tests based on mechanical engineering..

    Reply

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