Theory of Machine Multiple Choice Questions

Theory of Machine

Question 1.

In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by

A.

 μ₁ = μ sin β

B.

 μ₁ = μ cos β

C.

 μ₁ = μ/sin β

D.

 μ₁ = μ/cos β

Explanation :

Explanation Not Provided

Question 2.

The lower pairs are _________ pairs.

A.

 Self-closed

B.

 Force-closed

C.

 Friction closed

D.

 None of these

Explanation :

Explanation Not Provided

Question 3.

In a coupling rod of a locomotive, each of the four pairs is a ________ pair.

A.

 Sliding

B.

 Turning

C.

 Rolling

D.

 Screw

Explanation :

Explanation Not Provided

Question 4.

A kinematic chain is known as a mechanism when

A.

 None of the links is fixed

B.

 One of the links is fixed

C.

 Two of the links are fixed

D.

 None of these

Explanation :

Explanation Not Provided

Question 5.

A pantograph is a mechanism with

A.

 Lower pairs

B.

 Higher pairs

C.

 Rolling pairs

D.

 Turning pairs

Explanation :

Explanation Not Provided