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Theory of Machine

Theory of Machine
The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called

Addendum
Working depth
Dedendum
Clearance

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Theory of Machine
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by

2ECS²
2ECS
EC S/2
2E²CS

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Theory of Machine
In involute gears, the pressure angle is

Always constant
Dependent on the size of teeth
Dependent on the size of gears
Always variable

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Theory of Machine
Which of the following mechanism is obtained from lower pair?

Valve and valve gears
Gyroscope
Pantograph
All of these

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Theory of Machine
A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the

Magnitude of the forces on journal
Angular velocity of journal
Clearance between journal and bearing
Radius of journal

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Theory of Machine
In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by

ω cosθ/(n² - cos²θ)1/2
ω sinθ/(n² - cos²θ)1/2
ω cosθ/(n² - sin²θ)1/2
ω sinθ/(n² - sin²θ)1/2

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