Mean speed to the maximum equilibrium speed

Mean speed to the minimum equilibrium speed

Difference of the maximum and minimum equilibrium speeds to the mean speed

Sum of the maximum and minimum equilibrium speeds to the mean speed

C. Difference of the maximum and minimum equilibrium speeds to the mean speed

9/8

9/82

9/16

9/128

(1/2) μ W R cosec α

(2/3) μ W R cosec α

(3/4) μ W R cosec α

μ W R cosec α

μ₁ = μ sinβ

μ₁ = μ cosβ

μ₁ = μ/sinβ

μ₁ = μ/cosβ

Is same as that of velocity

Is opposite to that of velocity

Could be either same or opposite to velocity

Is perpendicular to that of velocity

2π. √(g/δ)

1/2π. √(g/δ)

2π. √(δ/g)

1/2π. √(δ/g)

Static friction

Dynamic friction

Limiting friction

Coefficient of friction

8.95/N²

89.5/N²

895/N²

8950/N²

_{n}/2

_{n}

_{n}

_{n}

Radial component

Tangential component

Coriolis component

None of these

During which the follower returns to its initial position

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

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

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

Bolt and nut

Lead screw of a lathe

Ball and socket joint

Ball bearing and roller bearing

Changing of a higher pair to a lower pair

Turning its upside down

Obtained by fixing different links in a kinematic chain

Obtained by reversing the input and output motion

(r₁ + r₂) (y/x)

(r₁ + r₂) (x/y)

(r₁ - r₂) (y/x)

(r₁ - r₂) (x/y)

Each of the four pairs is a turning pair

One is a turning pair and three are sliding pairs

Two are turning pairs and two are sliding pairs

Three are turning pairs and one is a sliding pair

The interference is inherently absent.

The variation in centre distance of shafts increases radial force.

A convex flank is always in contact with concave flank.

The pressure angle is constant throughout the teeth engagement.

6 times more

6 times less

2.44 times more

2.44 times less

D/T

T/D

2D/T

2T/D

Screw pair

Spherical pair

Turning pair

Sliding pair

1

2

3

4

In a direction perpendicular to the cam axis

In a direction parallel to the cam axis

In any direction irrespective of the cam axis

Along the cam axis

45° in the direction of rotation of the link containing the path

45° in the direction opposite to the rotation of the link containing the path

90° in the direction of rotation of the link containing the path

180° in the direction opposite to the rotation of the link containing the path

Above

Below

At

None of these

Pitch circle

Base circle

Addendum circle

Dedendum circle

Angle of friction

Angle of repose

Angle of projection

None of these

The difference between the maximum and minimum energies is called maximum fluctuation of energy

The coefficient of fluctuation of speed is the ratio of maximum fluctuation of speed to the mean speed

The variations of energy above and below the mean resisting torque line is known as fluctuation of energy

None of the above

Zero

Minimum

Maximum

None of these

Greater than

Less than

Equal to

None of these

Hammer blow

Swaying couple

Variation in tractive force along the line of stroke

All of the above

Same

Opposite

Perpendicular

None of these

v

(2/3). v

(3/2). v

(9/4). v