## Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone)

(3/4) μ W R cosecα
μ W R cosecα
(1/2) μ W R cosecα
(2/3) μ W R cosecα

Structure
Inversion
Machine
Mechanism

## Theory of Machine The method of direct and reverse cranks is used in engines for

Balancing of forces and couples
The control of speed fluctuations
Vibration analysis
Kinematic analysis

## Theory of Machine When two links are connected by a pin joint, their instantaneous center lies

At the center of curvature
On their point of contact
At the center of circle
At the pin joint

## Theory of Machine Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts?

Applied mechanics
Kinetics
Theory of machines
Mechanisms

## Theory of Machine The swaying couple is due to the

Primary unbalanced force
Secondary unbalanced force
Two cylinders of locomotive
Partial balancing