THEORY OF MACHINE QUIZ

The moment on the pulley which produces rotation is called

Moment of momentum

Momentum

Torque

Inertia

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The working depth of a gear is the radial distance from the

Pitch circle to the bottom of a tooth

Addendum circle to the clearance circle

Pitch circle to the top of a tooth

Top of a tooth to the bottom of a tooth

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The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.

Less than

Greater than

Equal to

None of these

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The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

(m + M)/m

m/(m + M)

M/(m + M)

(m + M)/M

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In a multiple V-belt drive, if one of the belts is broken, then we should replace

The broken belt only

None of these

All the belts

The broken belt and the belts on either side of it

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When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be

To move the ship towards port side

To raise the stern and lower the bow

To move the ship towards starboard

To raise the bow and lower the stern

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An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called

Pitch circle

Dedendum circle

Clearance circle

Addendum circle

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For simple harmonic motion of the of follower, a cosine curve represents

Acceleration diagram

Velocity diagram

All of these

Displacement diagram

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The Coriolis component of acceleration exists whenever a point moves along a path that has

Linear displacement

Tangential acceleration

Rotational motion

Gravitational acceleration

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The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as

Rolling pair

Turning pair

Sliding pair

Spherical pair

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