MCQs of Velocity and Acceleration Analysis (Kinematics and Theory of Machines - 3131906)

Kinematics and Theory of Machines (3131906) MCQs

MCQs of Velocity and Acceleration Analysis

Showing 1 to 10 out of 22 Questions

The total number of instantaneous centers for a mechanism consisting of n links are ______.

(a)	$\frac{n}{2}$
(b)	n
(c)	$\frac{n - 1}{2}$
(d)	$\frac{n (n - 1)}{2}$

According to Aronhold Kennedy’s theorem, if three bodies move relative to each other, their instantaneous centres will lie on a _______.

(a)	straight line
(b)	parabolic curve
(c)	ellipse
(d)	circle

In a mechanism, the fixed instantaneous centers are those centers that ____.

(a)	remain in the same place for all configurations of the mechanism
(b)	vary with the configuration of the mechanism
(c)	moves as the mechanism moves, but joints are of permanent nature
(d)	moves as the mechanism moves, but joints are of temporary nature

The instantaneous centers which vary with the configuration of the mechanism, are called ______.

(a)	permanent instantaneous centres
(b)	fixed instantaneous centres
(c)	neither fixed nor permanent instantaneous centres
(d)	either fixed or permanent instantaneous centres

When a slider moves on a fixed link having a curved surface, their instantaneous center lies _______.

(a)	on their point of contact
(b)	at the center of curvature
(c)	at the center of the circle
(d)	at the pin joint

The direction of the linear velocity of any point on a link with respect to another point on the same link is _______.

(a)	parallel to the link joining the points
(b)	perpendicular to the link joining the points
(c)	at 45° to the link joining the points
(d)	at 135° to the link joining the points

The magnitude of the linear velocity of a point B on a link AB relative to point A is _______.

(a)	$ω \times A B$
(b)	$ω \times {(A B)}^{2}$
(c)	$ω^{2} \times A B$
(d)	${(ω \times A B)}^{2}$

The component of the acceleration, parallel to the velocity of the particle, at the given instant, is called _______ component.

(a)	radial
(b)	tangential
(c)	coriolis
(d)	axial

A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The angular acceleration of the link AB is _______.

(a)	$\frac{{α^{r}}_{B A}}{A B}$
(b)	$\frac{{α^{t}}_{B A}}{A B}$
(c)	$ν_{B A} \times A B$
(d)	$\frac{{ν^{2}}_{B A}}{A B}$

10.

A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration of B with respect to A will be equal to ______.

(a)	vector sum of radial component and coriolis component
(b)	vector sum of tangential component and coriolis component
(c)	vector sum of radial component and tangential component
(d)	vector difference of radial component and tangential component

Showing 1 to 10 out of 22 Questions