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Theory of Machine

Theory of Machine
If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to

D₁
D₂/D₁
D₁/D₂
D₁.D₂

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Theory of Machine
Angular acceleration of a link can be determined by dividing the

Centripetal component of acceleration with length of link
Tangential component of acceleration with length of link
Resultant acceleration with length of link
All of these

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Theory of Machine
The ratio of the number of teeth to the pitch circle diameter in millimeters, is called

Circular pitch
None of these
Diametral pitch
Module

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Theory of Machine
The velocity of a body moving with simple harmonic motion is __________ at the mean position.

Zero
Maximum
Minimum
None of these

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Theory of Machine
The example of successfully constrained motion is a

All of these
Motion of the shaft between a footstep bearing
Motion of an I.C. engine valve
Piston reciprocating inside an engine cylinder

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Theory of Machine
When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be

Stable
None of these
Unstable
Isochronous

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