No contact
None of these
Point contact
Surface contact

## Theory of Machine When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration.

Smaller
Smaller OR Larger
Larger
None of the listed here

## Theory of Machine The maximum fluctuation of energy is the

Variations of energy above and below the mean resisting torque line
Ratio of the mean resisting torque to the work-done per cycle
Sum of the maximum and minimum energies
Difference between the maximum and minimum energies

## Theory of Machine The component of the acceleration, parallel to the velocity of the particle, at the given instant is called

Tangential component
Coriolis component
None of these

## Theory of Machine In a kinematic chain, a quaternary joint is equivalent to

Three binary joints
Two binary joints
Four binary joints
One binary joint

## Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively)

(2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]
(1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]
(1/2). μ W (r₁ + r₂)
(2/3). μ W (r₁ + r₂)