Theory of Machine
The swaying couple is due to the

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

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Theory of Machine
Angle of dwell of cam is defined as the angle

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
Of rotation of the cam for definite displacement of the follower

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Theory of Machine
A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the same direction as that of wheels, men due to centrifugal force

The reaction on the outer wheels increases and on the inner wheels decreases
The reaction on me inner wheels increases and on the outer wheels decreases
The reaction on the front wheels increases and on the rear wheels decreases
The reaction on the rear wheels increases and on the front wheels decreases

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