Mechanism

1. Consider the following statements

  1. A round bar in a round hole form a turning
  2. A square bar in a square hole forms a sliding
  3. A vertical shaft in a footstep bearing forms a successful

Of these statements

(a) 1 and 2 are correct

(b) 1 and 3 are correct

(c) 2 and 3 are correct

(d) 1, 2 and 3 are correct

Answer

2. The minimum number of links in a single degree-of-freedom planar mechanism with both higher and lower kinematic pairs is

(a) 2

(b) 3

(c) 4

(d) 5

Answer

3. The connection between the piston and the cylinder in a reciprocating engine corresponding to

  1. Completely constrained kinematic pair
  2. Incompletely constrained kinematic pair
  3. Successfully constrained kinematic pair
  4. None of the above

Answer

4. Which of the following are examples of forced closed kinematic pairs?

  1. Cam and roller mechanism
  2. Door closing mechanism 
  3. Slider-crank mechanism
  4. Automotive clutch operating mechanism

Select the correct answer using the codes given below:

Codes:

(a) 1, 2 and 4

(b) 1 and 3

(c) 2, 3 and 4

(d) 1, 2, 3 and 4

Answer

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