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Theory of Machine

Theory of Machine
Pulley in a belt drive acts as

Cylindrical pair
Turning pair
Rolling pair
Sliding pair

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Theory of Machine
The D-slide valve is also known as

Outside admission valve
None of these
Inside admission valve
Piston slide valve

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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 P with respect to the crank-pin C is given by

ω² × CO
ω² × QN
ω² × CN
ω² × NO

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Theory of Machine
The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is

Both (A) and (B)
180° and 360°
0° and 90°
None of these

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Theory of Machine
Throw of a cam is the maximum distance of the follower from

Pitch circle
Prime circle
Base circle
Root circle

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Theory of Machine
Cross head and guides form a

Sliding pair
Higher pair
Turning pair
Lower pair

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