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Theory of Machine

Theory of Machine
The cam and follower is an example of

Sliding pair
Lower pair
Higher pair
Rolling pair

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Theory of Machine
The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position)

ω² √(x² - r²)
ω √(r² - x²)
ω √(x² - r²)
ω² √(r² - x²)

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Theory of Machine
The method of direct and reverse cranks is used in engines for

Kinematic analysis
The control of speed fluctuations
Vibration analysis
Balancing of forces and couples

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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

2E²CS
2ECS
2ECS²
EC S/2

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Theory of Machine
In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of discs on the driven shaft, then the number of pairs of contact surfaces will be

n₁ + n₂
n₁ + n₂ - 2
n₁ + n₂ + 1
n₁ + n₂ - 1

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Theory of Machine
A Porter governor is a

Dead weight governor
Inertia governor
Pendulum type governor
Spring loaded governor

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MORE MCQ ON Theory of Machine

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