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

Related Mcqs:

1. 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

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

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

6. 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

7. The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line________________?

   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

8. 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

9. 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

10. 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