Angular acceleration of a link can be determined by dividing the___________________?

Related Mcqs:

1. In a darg link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is _______________?

   A. equal to sum of other two
   B. greater than sum of other two
   C. less than sum of other two
   D. there is no such relationship
   E. none of the above

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

   A. along PO
   B. perpendicular to PO
   C. at 45° to PO
   D. along OP
   E. none of the above

3. In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links_________________?

   A. will remain same
   B. will change
   C. could change or remain unaltered depending oh which link is fixed
   D. will not occur
   E. none of the above

4. With single Hooke’s joint it is possible to connect two shafts, the axes of which have an angular misalignment up to ________________?

   A. 10°
   B. 20°
   C. 30°
   D. 40°
   E. 60°.

5. The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be________________?

   A. 0, and more than co2r
   B. 0, and less than coV
   C. 0, 0
   D. cor, 0
   E. none of the above

6. 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.

7. 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
   E. none of the above

8. In a shaper 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

9. 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
   E. none of the above

10. In S.H.M., acceleration is proportional to _________________?

    A. velocity
    B. displacement
    C. rate of change of velocity
    D. all of the above
    E. none of the above