Q1. If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be
(A) less
(B) more
(C) same
(D) data are insufficient to determine same

Q2. The Bifilar suspension method is used to determine
(A) natural frequency of vibration
(B) position of balancing weights
(C) moment of inertia
(D) centripetal acceleration’

Q3. Which is the false statement about the properties of instantaneous centre
(A) at the instantaneous center of rotation, one rigid link rotates instantaneously relative to another for the configuration of mechanism considered
(B) the two rigid links have no linear velocities relative to each other at the instantaneous centre
(C) the two rigid links which have no linear velocity relative to each other at this center have the same linear velocity to the third rigid link
(D) the double centre can be denoted either by 02 or Ol2, but proper selection should be made

Q4. Instantaneous center of rotation of a link in a four bar mechanism lies on
(A) right side pivot of this link
(B) lift side pivot of this link
(D) can’t occur

Q5. The number of links and instantaneous centers in a reciprocating engine mechanism are
(A) 5, 5
(B) 5, 4
(C) 6, 4
(D) 4, 6

Q6. According to Kennedy’s theorem, if three bodies have plane motions, their instantaneous centers lie on
(A) a triangle
(B) a point
(C) two lines
(D) a straight line

Q7. Two systems shall be dynamically equivalent when
(A) the mass of two are same
(B) e.g. of two coincides
(C) M.I. of two about an axis through e.g. is equal
(D) All of these

Q8. The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line
(A) joining the corresponding points
(B) perpendicular to line as per
(C) not possible to determine with these data
(D) at 45° to line as per

Q9. Angular acceleration of a link can be determined by dividing the
(A) centripetal component of acceleration with length of link
(B) tangential component of acceleration with length of link
(C) resultant acceleration with length of link
(D) All of these

Q10. Corioli’s component of acceleration exists whenever a point moves along a path that has
(A) linear displacement
(B) rotational motion
(C) tangential acceleration
(D) centripetal acceleration

Q11. The direction of Corioli’s component of acceleration is the direction
(A) of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link
(B) along the centripetal acceleration
(C) along tangential acceleration
(D) along perpendicular to angular velocity

Q12. In a shaper mechanism, the Corioli’s component of acceleration will
(A) not exist
(B) exist
(C) depend on position of crank
(D) unpredictable

Q13. Tangential acceleration direction is
(A) along the angular velocity
(B) opposite to angular velocity
(C) may be any one of these
(D) perpendicular to angular velocity

Q14. Corioli’s component is encountered in
(A) quick return mechanism of shaper
(B) four bar chain mechanism
(C) slider crank mechanism
(D) All of these

Q15. Klein’s construction gives a graphica construction for
(A) slider-crank mechanism
(B) velocity polygon
(C) acceleration polygon
(D) four bar chain mechanism

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