Question 1: In which period was the word tribology coined after realizing significant losses due to lack of knowledge of friction and wear and a need for an interdisciplinary approach was considered?

A. 1960

B. 1966

C. 1964

D. 1970

(A)
(B)
(C)
(D)

Question 2: Out of the following disciplines which one is not considered for an interdisciplinary approach in tribology?

A. Solid and Fluid mechanics.

B. Chemistry.

C. Material Science.

D. Industrial Engineering.

(A)
(B)
(C)
(D)

Question 3: The meaning of the Greek word “Tribos” from which the word Tribology is formed is

A. Rubbing.

B. Movement.

C. Fluid.

D. Heat.

(A)
(B)
(C)
(D)

Question 4: Which one of the following is NOT the purpose of Tribology?

A. Improve service life.

B. Increase safety and reliability.

C. Reduce fatigue.

D. Increase heat generation.

(A)
(B)
(C)
(D)

Question 5: Asperities are basically

A. Sharp tips on surface.

B. Edge of a surface.

C. Corner of a surface.

D. Hole in a surface.

(A)
(B)
(C)
(D)

Question 6: Which one is not a standard method for quantifying surface roughness?

A. Root mean square roughness.

B. Average roughness.

C. Flatness tolerance(GD&T).

D. Rating method on any arbitrary scale.

(A)
(B)
(C)
(D)

Question 7: Which one of the following statement is true?

A. Wear rate increases with increasing load.

B. Wear rate decreases with increasing temperature.

C. Wear rate decreases with increasing speed.

D. Wear rate is independent of load/temperature.

(A)
(B)
(C)
(D)

Question 8: The purpose of lubricant filter system is

A. To remove the debris from the lubricant.

B. To enhance the viscosity of lubricant.

C. Reduce the temperature of lubricant.

D. Reduce the quantity of lubricant.

(A)
(B)
(C)
(D)

Question 9: Which one of the following parameter is not included by Stribeck curve?

A. Viscosity of the lubricant.

B. Speed of the surfaces.

C. Load at the interface.

D. Surface roughness.

(A)
(B)
(C)
(D)

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