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Theory of Machine

Theory of Machine
The minimum force required to slide a body of weight W on a rough horizontal plane is

W tanθ
W sinθ
W cosecθ
W cosθ

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Theory of Machine
The indicator using Watt mechanism is known as

Thomson indicator
Thompson indicator
Simplex indicator
Richard indicator

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Theory of Machine
The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve)

(m + M)/M
(m + M)/m
M/(m + M)
m/(m + M)

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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 periodic time of one oscillation for a simple pendulum is

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

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Theory of Machine
The radial distance of a tooth from the pitch circle to the bottom of the tooth is called

Clearance
Working depth
Addendum
Dedendum

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