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Theory of Machine

Theory of Machine
Cam size depends upon

Prime circle
Outer circle
Base circle
Pitch circle

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Theory of Machine
In a flat collar pivot bearing, the moment due to friction is proportional to

(r₁³ - r₂³)/(r₁² - r₂²)
(r₁² - r₂²)/(r₁ + r₂)
(r₁³ - r₂³)/(r₁ - r₂)
(r₁² - r₂²)/(r₁ - r₂)

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Theory of Machine
Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

D-slide valve
Governor
Meyer's expansion valve
Flywheel

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Theory of Machine
Angular acceleration of a link can be determined by dividing the

Centripetal component of acceleration with length of link
Tangential component of acceleration with length of link
Resultant acceleration with length of link
All of these

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Theory of Machine
The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length)

√(3m/T)
T/3
(T.g)/3
√(T/3m)

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

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

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