Theory of Machines

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
E. none of the above

A. 1 link with pin joints
B. 2 links with pin joints
C. 3 links with pin joints
D. 4 links with pin joints
E. all of the above

A. sliding pairs
B. turning pairs
C. rolling pairs
D. higher pairs
E. lower pairs

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
E. piston, piston-rod and cross head

A. belt, rope and chain drives
B. gears, cams
C. ball and roller bearings
D. all of the above
E. none of the above

A. purely turning
B. purely sliding
C. purely rotary
D. purely surface contact
E. combination of sliding and turning

A. open pair
B. closed pair
C. sliding pair
D. point contact pair
E. does not exist

A. L + 1
B. L – 1
C. L
D. L + 2
E. L – 2

A. incompletely constrained motion
B. partially constrained motion
C. completely constrained motion
D. successfully constrained motion
E. none of the above

A. bolt and nut
B. lead screw of a lathe
C. ball and socket joint
D. ball bearing and roller bearing
E. none of the above