Theory of Machines - Interview Questions | Exam2Win

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16. In a shape mechanism, the Corioli's component of acceleration will

A. not exist

B. exist

C. depend on position of crank

D. unpredictable

E. none of the above.

Explanation:

17. Which is the false statement about the properties of instantaneous center

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 center

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 center can be denoted either by 02\ or Ol2, but proper selection should be made

E. none of the above.

Explanation:

18. The magnitude of tangential acceleration is equal to

A. velocity2 x crank radius

B. velocity vcrankradius

C. (velocity/crankradius)

D. velocity x crank radius2

E. none of the above.

Explanation:

19. In a rigid link OA, velocity of A w.r.t. will be

A. parallel to OA

B. perpendicular to OA

C. at 45� to OA

D. along AO

E. along OA.

Explanation:

20. 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

E. none of the above.

Explanation: