THEORY OF MACHINE QUIZ

μ W R

(3/4) μ W R

(1/2) μ W R

(2/3) μ W R

Piston slide valve

Outside admission valve

Inside admission valve

None of these

None of the listed here

Bevel gear

Spiral gear

Spur gear

Of rotation of the cam for a definite displacement of the follower

During which the follower returns to its initial position

Moved by the cam from the instant the follower begins to rise, till it reaches its highest position

Through which, the cam rotates during the period in which the follower remains in the highest position

Pitch circle

Prime circle

Pitch curve

Base circle

Difference of the maximum and minimum speeds

Difference of minimum fluctuation of speed and the mean speed

Variations of speed above and below the mean resisting torque line

Sum of maximum and minimum speeds

Watt's mechanism

All of these

Grasshopper mechanism

Robert's mechanism

Reduce slip

Ensure uniform loading

Reduce vibration

Ensure proper alignment

Peaucellier’s mechanism

Robert’s mechanism

Grasshopper mechanism

Watt’s mechanism

The net dynamic force acting on the shaft is equal to zero

The net couple due to the dynamic forces acting on the shaft is equal to zero

None of these

Both (A) and (B)