Theory of Machines

A. inner dead centre
B. outer dead centre
C. right angles to the link of the stroke
D. at 45° to the line of the stroke
E. all of the above

A. quick return mechanism of shaper
B. four bar chain mechanism
C. slider crank mechanism
D. A. and C. above
E. all of the above.

A. velocity2 x crank radius
B. velocityvcrankradius
C. (velocity/crankradius)
D. velocity x crank radius2
E. none of the above

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.

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 the above
E. none of the above

A. parallel to OA
B. perpendicular to OA
C. at 45° to OA
D. along AO
E. along OA

A. joining the corresponding points
B. perpendicular to line as per A.
C. not possible to determine with these data
D. at 45° to line as per A.
E. none of the above

A. 4, 4
B. 4, 5
C. 5, 4
D. 6, 4
E. 4, 6

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
E. none of the above

A. less
B. more
C. same
D. data are insufficient to determine same
E. none of the above