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Theory of Machine

Theory of Machine
An automobile steering gear is an example of

Rolling pair
Higher pair
Sliding pair
Lower pair

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Theory of Machine
One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring)

2π. √(δ/g)
2π. √(g/δ)
1/2π. √(g/δ)
1/2π. √(δ/g)

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Theory of Machine
A spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis

Any one of these
Below the origin
At the origin
Above the origin

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Theory of Machine
In its simplest form, a cam mechanism consists of following number of links

2
1
4
3

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Theory of Machine
When two links are connected by a pin joint, their instantaneous center lies

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

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Theory of Machine
In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient.

Independent of
Inversely proportional to
Equal to
Directly proportional to

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