The purpose of a link is to________________?

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. 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

3. Any point on a link connecting double slider crank chain will trace a ________________?

   A. straight line
   B. circle
   C. ellipse
   D. parabola
   E. hyperbola

4. The e.g. of a link in any mechanism would experience_________________?

   A. no acceleration
   B. linear acceleration
   C. angular acceleration
   D. both angular and linear accelerations
   E. none of the above

5. A point on a link connecting double slider crank chain traces a____________________?

   A. straight line
   B. circle
   C. parabola
   D. hyperbola
   E. ellipse

6. 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

7. 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 the above
   E. none of the above

8. 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

9. 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
   C. a point obtained by intersection on extending adjoining links
   D. can’t occur
   E. none of the above

10. An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has___________________?

    A. 2 links
    B. 3 links
    C. 4 links
    D. 5 links
    E. none of the above