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Theory of Machine

Theory of Machine
An automobile steering gear is an example of

Sliding pair
Lower pair
Higher pair
Rolling pair

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Theory of Machine
When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side.

Upward
Forward
Backward
Downward

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Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

1, 3
4, 0
3, 1
2, 2

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Theory of Machine
In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is

Equal to sum of other two
There is no such relationship
Greater than sum of other two
Less than sum of other two

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Theory of Machine
The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam)

(R - r₁) (1 - sinθ)
R (1 - cosθ)
R (1 - sinθ)
(R - r₁) (1 - cosθ)

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Theory of Machine
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by

2ECS
EC S/2
2ECS²
2E²CS

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