Kinematics and Theory of Machines (3131906) MCQs

MCQs of Velocity and Acceleration Analysis

Showing 11 to 20 out of 22 Questions
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11.

The coriolis component of acceleration is taken into account for _______.

(a)

slider crank mechanism
(b)

four bar chain mechanism
(c)

quick return motion mechanism
(d)

slider crank mechanism and four bar chain mechanism both
Answer:

Option (c)

12.

The instantaneous center of a slider moving in a linear guide lies ______.

(a)

at pin point
(b)

at their point of contact
(c)

at infinity
(d)

either at pin point or at infinity
Answer:

Option (c)

13.

The instantaneous center of rotation of a circular disc rolling on a straight path is ______.

(a)

at the center of the disc
(b)

at their point of contact
(c)

at the center of gravity of the disc
(d)

at infinity
Answer:

Option (b)

14.

The locus of the instantaneous center of a moving body relative to a fixed body is known as the _______.

(a)

space centrode
(b)

body centrode
(c)

moving centrode
(d)

centrode
Answer:

Option (a)

15.

The space centrode of a circular disc rolling on a straight path is a ______.

(a)

circle
(b)

parabola
(c)

straight line
(d)

ellipse
Answer:

Option (c)

16.

Linear velocity may be defined as the _________ of the body with respect to the time.

(a)

change of linear displacement
(b)

rate of change of linear displacement
(c)

rate of change of angular displacement
(d)

change of angular displacement
Answer:

Option (b)

17.

Linear acceleration may be defined as the ________ of a body with respect to the time.

(a)

rate of change of angular velocity
(b)

change of angular velocity
(c)

change of linear velocity
(d)

rate of change of linear velocity
Answer:

Option (d)

18.

From the following, which is/are methods for determining the velocity of any point on a link in a mechanism?

(a)

Instantaneous center method
(b)

Relative velocity method
(c)

Instantaneous velocity method
(d)

Instantaneous centre method and relative velocity method both
Answer:

Option (d)

19.

If the links move in the same direction, rubbing velocity can be represented by _____.

(a)

ω1 - ω2

(b)

ω1 + ω2

(c)

ω1 - ω2×r

(d)

ω1 + ω2×r

Answer:

Option (c)

20.

If the links move in the opposite direction, rubbing velocity can be represented by _____.

(a)

ω1 - ω2

(b)

ω1 + ω2

(c)

ω1 - ω2×r

(d)

ω1 + ω2×r

Answer:

Option (d)

Showing 11 to 20 out of 22 Questions
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