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Theory of Machine

Theory of Machine
The size of cam depends upon

Base circle
Pitch circle
Pitch curve
Prime circle

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Theory of Machine
When a slider moves on a fixed link having curved surface, their instantaneous centre lies

At the centre of curvature
At the centre of circle
At the pin joint
On their point of contact

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Theory of Machine
When the two elements of a pair have __________ when in motion, it is said to a lower pair.

Line or point contact
None of these
Surface contact
Body contact

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Theory of Machine
In involute gears, the pressure angle is

Dependent on the size of gears
Always variable
Dependent on the size of teeth
Always constant

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Theory of Machine
The example of successfully constrained motion is a

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

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Theory of Machine
The frequency of oscillation at compared to earth will be

6 times more
2.44 times less
6 times less
2.44 times more

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