1000+ Engineering Mechanics Objective Questions and Answers Pdf - 1
Question: 1
Instantaneous centre is at infinity when the angular velocity is
(A) constant
(B) zero
(C) maximum
(D) minimum
Ans: B
zero
Question: 2
Coefficient of restitution is an impact of two bodies is given by
(A) $${Velocity of separation}/{Velocity of approach}$$
(B) $${Velocity of approach}/{Velocity of separation}$$
(C) $${Relative velocity of separation}/{Relative velocity of approach }$$
(D) $${Relative velocity of approach}/{Relative velocity of separation}$$
Ans: C
$${Relative velocity of separation}/{Relative velocity of approach }$$Question: 3
Which one of the following is not a vector?
(A) acceleration
(B) momentum
(C) distance
(D) velocity
Ans: C
distance
Question: 4
Free body diagram means
(A) the diagram of a freely suspended body
(B) the diagram of a body with applied forces, self-weight ad reactions
(C) the diagram of a body with applied forces
(D) the diagram drawn with free hand
Ans: B
the diagram of a body with applied forces, self-weight ad reactions
Question: 5
In acceleration time curve, the velocity is represented by
(A) area under the curve
(B) ordinate of the curve
(C) slope of the curve
(D) none of the above
Ans: A
area under the curve
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