Mechanical Engineering MCQs

2075 MCQs  (Page 75 of 208)

Which of the following mechanism is obtained from lower pair________________?
A. gyroscope
B. pantograph
C. valve and valve gears
D. generated straight line motions
The Scott-Russell mechanism consists of_________________?
A. Sliding and turning pairs
B. Sliding and rotary pairs
C. Turning and rotary pairs
D. Sliding pairs only
Ackermann steering gear consists of_______________?
A. Sliding pairs
B. Turning pairs
C. Rolling pairs
D. Higher pairs
Oldham’s coupling is the ____________________?
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
A mechanism is an assemblage of ____________________?
A. Two links
B. Three links
C. Four links or more than four links
D. All of the above
Rectangular bar in a rectangular hole is the following type of pair__________________?
A. Completely constrained motion
B. Partially constrained motion
C. Incompletely constrained motion
D. Freely constrained motion
the chain is unconstrained when_____________?
A. L.h.s. = r.h.s
B. L.h.s. > r.h.s
C. L.h.s. < r.h.s
D. There is no such criterion for checking above requirement