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Theory of Machine

Theory of Machine
The size of cam depends upon

Pitch curve
Base circle
Pitch circle
Prime circle

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Theory of Machine
The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is

Chain coupling
Oldham's coupling
Flexible coupling
Universal coupling

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Theory of Machine
A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be

80 RPM
100 RPM
90 RPM
data are insufficient

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Theory of Machine
The centre of gravity of a coupler link in a four bar mechanism will experience

Only angular acceleration
No acceleration
Only linear acceleration
Both linear and angular acceleration

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Theory of Machine
A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become

4 fn
fn/2
8 fn
2 fn

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Theory of Machine
Klein's construction can be used when

Crank has non-uniform velocity
Crank has a uniform angular velocity
Crank has uniform angular acceleration
Crank has uniform angular velocity and angular acceleration

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MORE MCQ ON Theory of Machine

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