Category: Theory of Machines

A. material of the pulley
B. material of the belt
C. larger size of the driver pulley
D. uneven extensions and contractions due to varying tension
E. expansion of belt

A. have line contact
B. have surface contact
C. permit relative motion
D. are held together
E. have dynamic forces

A. two forks
B. one fork
C. three forks
D. four forks
E. five forks

A. velocity
B. displacement
C. rate of change of velocity
D. all of the above
E. none of the above

A. 45 mm
B. slightly less than 45 mm
C. slightly more than 45 mm
D. 95 mm
E. none of the above

A. Machines transmit mechanical work, whereas structures transmit forces
B. In machines, relative motion exists be-tween its members, whereas same does hot exist in case of structures
C. Machines modify movement and work, whereas structures modify forces
D. Efficiency of machines as well as structures is below 100%
E. Machines are run by electric motors, but structures are not

A. crank has a uniform angular velocity
B. crank has non-uniform velocity
C. crank has uniform angular acceleration
D. crank has uniform angular velocity and angular acceleration
E. there is no such criterion

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

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