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Theory of Machine

Theory of Machine
With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to

20°
30°
10°
40°

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Theory of Machine
The mechanism consisting of three turning pairs and one sliding pair, is called a

Whitworth quick return motion mechanism
All of these
Crank and slotted lever quick return motion mechanism
Single slider crank chain

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

Slider crank
Connecting rod
Gudgeon pin
Cross head

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

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Theory of Machine
Which of the following mechanisms produces mathematically an exact straight line motion?

Watt mechanism
Tchebicheff mechanism
Grasshopper mechanism
Peaucellier's mechanism

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Theory of Machine
The ratio of maximum fluctuation of speed to the mean speed is called

None of these
Coefficient of fluctuation of speed
Maximum fluctuation of speed
Fluctuation of speed

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