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Theory of Machine

Theory of Machine
The Hooke's joint consists of:

One fork
Three forks
Two forks
Four forks

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Theory of Machine
A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively)

m₁ m₂ = r₁ r₂
m₁ r₂ = m₂ r₁
None of these
m₁ r₁ = m₂ r₂

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Theory of Machine
The Scott-Russell mechanism consists of

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

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Theory of Machine
If there are L number of links in a mechanism, then number of possible inversions is equal to

L + 1
L - 1
L
L + 2

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Theory of Machine
Which of the below are inversions of slider crank mechanism? 1. Oscillating cylinder engine mechanism 2. Toggle mechanism 3. Radial cylinder engine mechanism 4. Quick return mechanism

1, 2 and 4
1, 3 and 4
1, 2 and 3
2, 3 and 4

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Theory of Machine
Whitworth quick return mechanism is obtained by inversion of

Five link mechanism
Roller cam mechanism
Slider crank mechanism
Kinematic chain

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