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Theory of Machine

Theory of Machine
V-belts are usually used for

None of these
Long and short drives
Short drives
Long drives

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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

50°- 60°
80°- 90°
60°-70°
70°- 80°

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Theory of Machine
If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be

Less
More
Data are insufficient to determine same
Same

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Theory of Machine
In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever)

(r₁ + r₂) (x/y)
(r₁ + r₂) (y/x)
(r₁ - r₂) (y/x)
(r₁ - r₂) (x/y)

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Theory of Machine
The Whitworth quick return motion mechanism is formed in a slider crank chain when the

Coupler link is fixed
Slider is a fixed link
Smallest link is a fixed link
Longest link is a fixed link

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Theory of Machine
Davis steering gear consists of

Sliding pairs
Rolling pairs
Higher pairs
Turning pairs

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