# Kinematics and Theory of Machines (3131906) MCQ

### MCQs of Velocity and Acceleration Analysis

MCQ No - 1

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

(A)

$$\frac n2$$

(B)

$$n$$

(C)

$$\frac{n-1}2$$

(D)

$$\frac{n\left(n-1\right)}2$$

D
MCQ No - 2

(A)

straight line

(B)

parabolic curve

(C)

ellipse

(D)

circle

A
MCQ No - 3

#### 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

A
MCQ No - 4

#### 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

C
MCQ No - 5

#### 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

B