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. second inversion of double slider crank chain
B. third inversion of double slider crank chain
C. second inversion of single slider crank chain
D. third inversion of slider crank chain
E. fourth inversion of double slider crank chain
A. L.H.S. = R.H.S.
B. L.H.S. R.H.S.
D. there is no such criterion for checking above requirement
E. none of the above
A. velocity2 x crank radius
B. velocityvcrankradius
C. (velocity/crankradius)
D. velocity x crank radius2
E. none of the above
A. along PO
B. perpendicular to PO
C. at 45° to PO
D. along OP
E. none of the above
A. point or line contact between the two elements when in motion
B. surface contact between the two elements when in motion
C. elements of pairs not -held together mechanically
D. two elements that permit relative motion
E. none of the above
A. decrease the variation of speed
B. to control
C. to control SN
D. all of the above
E. none of the above