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

Tangential component
Radial component
None of these
Coriolis component

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Theory of Machine
In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will

All of these
Reduce maximum opening of port to steam
Cause withdrawing or throttling of steam
Reduce length of effective stroke of piston

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Theory of Machine
In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other.

Infinity
Zero
Any -ve value
Any +ve value

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