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Theory of Machine

Theory of Machine
An automobile steering gear is an example of

Rolling pair
Higher pair
Lower pair
Sliding pair

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

Acceleration diagram
All of these
Displacement diagram
Velocity diagram

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Theory of Machine
The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²) + 9(dx/dt) + 16x. The damping ratio of the system is

44090
44082
9/128
30195

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Theory of Machine
A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents

Forced vibration with damping
Free vibration with damping
Free vibration without damping
Forced vibration without damping

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Theory of Machine
When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to

Zero
π
π/2
One

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Theory of Machine
For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

Maximum and zero
Zero and minimum
Minimum and maximum
Zero and maximum

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