A circular bar moving in a round hole is an example of_______________?

A. Incompletely constrained motion
B. Partially constrained motion
C. Completely constrained motion
D. Successfully constrained motion

If there are L number of links in a mechanism then number of possible inversions is equal to_______________?

A. L + 1
B. L – 1
C. L
D. L + 2

The lower pair is a_____________________?

A. Open pair
B. Closed pair
C. Sliding pair
D. Point contact pair

In higher pair, the relative motion is_____________________?

A. purely turning
B. purely sliding
C. purely rotary
D. purely surface contact

The example of higher pair is_________________?

A. Belt, rope and chain drives
B. Gears, cams
C. Ball and roller bearings
D. All of the above

Which of the following would constitute a link__________________?

A. piston, piston rings and gudgeon pin
B. piston, and piston rod
C. piston rod and cross head
D. piston, crank pin and crank shaft

Davis steering gear consists of__________________?

A. Sliding pairs
B. Turning pairs
C. Rolling pairs
D. Higher pairs

A completely constrained motion can be transmitted with __________________?

A. 1 link with pin joints
B. 2 links with pin joints
C. 3 links with pin joints
D. 4 links with pin joints

Sense of tangential acceleration of a link_________________?

A. Is same as that of velocity
B. Is opposite to that of velocity
C. Could be either same or opposite to velocity
D. Is perpendicular to that of velocity

The number of links in pantograph mechanism is equal to______________?

A. 2
B. 3
C. 4
D. 5