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Theory of Machine

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

30°-40°
10°-15°
15°-25°
25°-30°

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Theory of Machine
The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is

90° and 180°
0° and 180°
0° and 90°
180° and 360°

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Theory of Machine
The maximum or minimum value of the swaying couple is

± (a/√2) (1 - c) m.ω².r
± a (1 - c) m.ω².r
± 2a (1 - c) m.ω².r
± c.m.ω².r

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Theory of Machine
A spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis

Below the origin
Any one of these
At the origin
Above the origin

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Theory of Machine
The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called

Tangential component
None of these
Radial component
Coriolis component

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Theory of Machine
The ratio of maximum fluctuation of energy to the work-done per cycle is called

None of these
Coefficient of fluctuation of energy
Maximum fluctuation of energy
Fluctuation of energy

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