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Theory of Machine

Theory of Machine
A Porter governor is a

Inertia governor
Spring loaded governor
Pendulum type governor
Dead weight governor

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

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

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Theory of Machine
In multi V-belt transmission, if one of the belt is broken, we have to change the

All the belts
Broken belt
Broken belt and its adjacent belts
There is no need of changing any one as remaining belts can take care of transmission of load

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Theory of Machine
The swaying couple is due to the

Partial balancing
Two cylinders of locomotive
Primary unbalanced force
Secondary unbalanced force

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Theory of Machine
The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration.

Different
Unpredictable
None of these
Same

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Theory of Machine
The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis)

8.95/N²
895/N²
8950/N²
89.5/N²

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MORE MCQ ON Theory of Machine

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