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Theory of Machine

Theory of Machine
The moment on the pulley which produces rotation is called

Torque
Moment of momentum
Momentum
Inertia

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Theory of Machine
A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is

ω²v
ωv
2ωv
2ωv²

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Theory of Machine
If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be

None of the listed here
Unstable
Stable
Isochronous

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Theory of Machine
The periodic time is given by (where ω = Angular velocity of the particle in rad/s)

ω × 2π
ω/2π
π/ω
2π/ω

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Theory of Machine
The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of joints and h = number of higher pairs)

n = 3(l - 1) - 3j - h
n = 2(l - 1) - 2j - h
n = 2(l - 1) - 3j - h
n = 3(l - 1) - 2j - h

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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 - 2
n₁ + n₂
n₁ + n₂ + 1
n₁ + n₂ - 1

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