Question: Tangential acceleration direction is_________________?

• 1. along the angular velocity
• 2. opposite to angular velocity
• 3. may be any one of these
• 4. perpendicular to angular velocity

Question: In a shaper mechanism, the Corioli’s component of acceleration will_______________?

• 1. not exist
• 2. exist
• 3. depend on position of crank
• 4. unpredictable

Question: Corioli’s component of acceleration exists whenever a point moves along a path that has________________?

• 1. linear displacement
• 2. rotational motion
• 3. tangential acceleration
• 4. centripetal acceleration

Question: The absolute acceleration of any point P in a link about center of rotation 0 is___________________?

• 1. along PO
• 2. perpendicular to PO
• 3. at 45° to PO
• 4. none of the above

Question: Two systems shall be dynamically equivalent when____________________?

• 1. the mass of two are same
• 2. e.g. of two coincides
• 3. M.I. of two about an axis through e.g. is equal
• 4. all of the above

Question: According to Kennedy’s theorem, if three bodies have plane motions, their instantaneous centers lie on___________________?

• 1. a triangle
• 2. a point
• 3. two lines
• 4. a straight line

Question: Instantaneous center of rotation of a link in a four bar mechanism lies on _______________?

• 1. right side pivot of this link
• 2. lift side pivot of this link
• 3. a point obtained by intersection on extending adjoining links
• 4. can’t occur

Question: The Bifilar suspension method is used to determine__________________?

• 1. natural frequency of vibration
• 2. position of balancing weights
• 3. moment of inertia
• 4. centripetal acceleration’

Question: Polar moment of inertia (IP) of ac disc is to ht determined by suspen by a wire and noting the frequei oscillations (f) ?

• 1. Ipocf
• 2. Ipocf
• 3. Ip oc j
• 4. Ipoc-

Question: In S.H.M., the velocity vector w.r.t. displacement vector _________________?

• 1. leads by 90°
• 2. lags by 90°
• 3. leads by 180°
• 4. are in phase