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

Related Mcqs:

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

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

2. In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is________________________?

   A. 95 mm
   B. slightly less than 95 mm
   C. slightly more than 95 mm
   D. 45 mm
   E. none of the above

3. The number of centers in a crank driven slider crank mechanism are_______________?

   A. 0
   B. 2
   C. 4
   D. 6
   E. may be any number depending upon position of mechanism

4. A slider crank chain consists of following numbers of turning and sliding pairs_________________?

   A. I, 3
   B. 2, 2
   C. 3, 1
   D. 4, 0
   E. 0, 4

5. The following is the inversion of slider crank chain mechanism______________________?

   A. Whitworth quick return mechanism
   B. hand pump
   C. oscillating cylinder engine
   D. all of the above
   E. none of the above

6. 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

7. 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

8. 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

9. A chain comprises of 5 links having 5 joints. Is it kinematic chain ?

   A. yes
   B. no
   C. it is a marginal case
   D. data are insufficient to determine it
   E. unpredictable

10. Klein’s construction can be used to determine acceleration of various parts when the crank is at_________________?

    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