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Theory of Machine

Theory of Machine
A Porter governor is a

Pendulum type governor
Spring loaded governor
Inertia governor
Dead weight governor

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Theory of Machine
The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point)

(ω₁ + ω₂)/y
(ω₁ × ω₂) y
(ω₁/ω₂) y
(ω₁ + ω₂) y

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Theory of Machine
The ratio of the number of teeth to the pitch circle diameter in millimeters, is called

Diametral pitch
Module
Circular pitch
None of these

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Theory of Machine
Under logarithmic decrement, the amplitude of successive vibrations are

In arithmetic progression
Constant
In geometric progression
In logarithmic progression

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Theory of Machine
Which of the following would constitute a link?

Piston, crank pin and crank shaft
Piston, piston rod and cross head
Piston rod and cross head
Piston and piston rod

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Theory of Machine
Ackermann steering gear consists of

Rolling pairs
Higher pairs
Sliding pairs
Turning pairs

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