Kinematics and Theory of Machines (3131906) MCQs

MCQs of Introduction of Mechanisms and Machines

Showing 1 to 10 out of 37 Questions
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1.

The motion of a piston in the cylinder of a steam engine is an example of __________.

(a)

completely constrained motion
(b)

incompletely constrained motion
(c)

successfully constrained motion
(d)

None of the mentioned
Answer:

Option (a)

2.

A ball and a socket joint form a ______.

(a)

turning pair
(b)

rolling pair
(c)

sliding pair
(d)

spherical pair
Answer:

Option (d)

3.

The lead screw of a lathe with nut forms a ________.

(a)

turning pair
(b)

rolling pair
(c)

screw pair
(d)

sliding pair
Answer:

Option (c)

4.

When the elements of the pair are kept in contact by the action of external forces, the pair is said to be a _____.

(a)

lower pair
(b)

higher pair
(c)

self closed pair
(d)

force closed pair
Answer:

Option (d)

5.

Which of the following is a turning pair?

(a)

Piston and cylinder of a reciprocating steam engine
(b)

Shaft with collars at both ends fitted in a circular hole
(c)

Lead screw of a lathe with nut
(d)

Ball and socket joint
Answer:

Option (b)

6.

A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a ______.

(a)

structure
(b)

mechanism
(c)

kinematic chain
(d)

inversion
Answer:

Option (c)

7.

In a kinematic chain, a quaternary joint is equivalent to ______.

(a)

one binary joint
(b)

two binary joints
(c)

three binary joints
(d)

four binary joints
Answer:

Option (c)

8.

The Grubler’s criterion for determining the degrees of freedom (n) of a mechanism having plane motion is ______.

(a)

n = (l – 1) – j
(b)

n = 2 (l – 1) – 2j
(c)

n = 3 (l – 1) – 2j
(d)

n = 4 (l – 1) – 3j
Answer:

Option (c)

9.

The mechanism forms a structure, when the number of degrees of freedom (n) is equal to ____.

(a)

0
(b)

1
(c)

2
(d)

-1
Answer:

Option (a)

10.

In a four bar chain or quadric cycle chain, ______.

(a)

each of the four pairs is a turning pair
(b)

one is a turning pair and three are sliding pairs
(c)

three are turning pairs and one is sliding pair
(d)

each of the four pairs is a sliding pair
Answer:

Option (a)

Showing 1 to 10 out of 37 Questions
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