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Theory of Machine

Theory of Machine
The secondary unbalanced force is __________ the primary unbalanced force.

1/n times
Two-third
n times
One-half

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Theory of Machine
Which of the following is a pendulum type governor?

Hartnell governor
Porter governor
None of these
Watt governor

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Theory of Machine
TJIE horse power transmitted by a belt is dependent upon

All of these
Radius of pulley
Tension on slack side of belt
Tension on tight side of belt

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Theory of Machine
In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from

70°- 80°
50°- 60°
60°-70°
80°- 90°

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Theory of Machine
Klein's construction is useful to determine

Angular acceleration of various parts
Acceleration of various parts
Velocity of various parts
Displacement of various parts

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Theory of Machine
When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle)

[(r² + R²) sinφ]/2
[(r + R) sinφ]/2
[(r + R) cosφ]/2
[(r² + R²) cosφ]/2

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