Friction Interview Questions

Friction interview questions

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Total Questions: 5

1. The coefficient of kinetic friction is less than the coefficient of static friction.

A. TRUE

B. FALSE

Correct Answer is : TRUE

2. The coefficient of static friction is

A. Less than the coefficient of kinetic friction

B. Greater than the coefficient of limiting friction

C. Equal to coefficient of kinetic friction

D. Equal to the tangent of the angle of friction

Correct Answer is : Equal to the tangent of the angle of friction

3. Which of the following kinetic friction is smaller?

A. Limiting friction

B. Static friction

C. Rolling friction

D. Sliding friction

Correct Answer is : Rolling friction

4. A cubical block rests on an inclined plane of μ = 1/√3, determine the angle of inclination when the block just slides down the inclined plane

A. 40°

B. 50°

C. 30°

D. 20°

Correct Answer is : 30°

5. A mass of 4kg rests on a horizontal plane. The plane is gradually inclined until at an angle θ= 15° with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface?

A. 0.814

B. 0.27

C. 1.5

D. 3.5

Correct Answer is : 0.27

Friction interview questions