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Theory of Machine

Theory of Machine
The example of higher pair is

Gears, cams
Ball and roller bearings
All of these
Belt, rope and chain drives

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Theory of Machine
Rectilinear motion of piston is converted into rotary by

Cross head
Slider crank
Connecting rod
Gudgeon pin

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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°
60°-70°
50°- 60°
80°- 90°

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Theory of Machine
The frequency of oscillation of a torsional pendulum is

2πk/r. √(g/l)
2πr/k. √(g/l)
r/2πk. √(l/g)
r/2πk. √(g/l)

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Theory of Machine
The Scott-Russell mechanism consists of

Turning and rotary pairs
Sliding and rotary pairs
Sliding pairs only
Sliding and turning pairs

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Theory of Machine
The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing)

r tanφ
r cosφ
r sinφ
(r/2) cosφ

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MORE MCQ ON Theory of Machine

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