THEORY OF MACHINE QUIZ

None of these

Both (A) and (B)

The algebraic sum of the couples about any point in the plane of the secondary forces must be equal to zero

The algebraic sum of the secondary forces must be equal to zero

Perpendicular to the sliding surface

Along the sliding surface

Parallel to the sliding surface

At 45° to the sliding surface

A point obtained by intersection on extending adjoining links

Can’t occur

Right side pivot of this link

Left side pivot of this link

Secondary unbalanced force

Two cylinders of locomotive

Partial balancing

Primary unbalanced force

μ W R

(3/4) μ W R

(1/2) μ W R

(2/3) μ W R

Watt's mechanism

All of these

Robert's mechanism

Grasshopper mechanism

Inertia

Torque

Momentum

Moment of momentum

Eccentricity

Span of shaft

Diameter of disc

All of the listed here

P = 2L + 4

P = 2L + 2

P = 2L - 4

P = 2L - 2

Universal joint

Knuckle joint

Flexible coupling

Oldham's coupling