# Mechanical Objective Questions | Mechanical Objective Type

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Mechanical Objective Questions

# Mechanical 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

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

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

d. Swept volume / cylinder volume

e. Cylinder volume / swept volume

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

Ration of limiting friction and normal reaction

5. Dynamic friction as compared to static friction is

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a. Same

b. More

c. Less

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

e. Has no correlation

Less

Sending

## 4 Replies to “Mechanical Objective Questions | Mechanical Objective Type”

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4. Mahesh Edake says:

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