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Theory of Machine

Theory of Machine
In its simplest form, a cam mechanism consists of following number of links

1
4
3
2

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Theory of Machine
Which of the following is an inversion of a single slider crank chain?

Pendulum pump
All of these
Rotary internal combustion engine
Oscillating cylinder engine

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Theory of Machine
The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of joints and h = number of higher pairs)

n = 3(l - 1) - 3j - h
n = 2(l - 1) - 2j - h
n = 3(l - 1) - 2j - h
n = 2(l - 1) - 3j - h

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Theory of Machine
The moment on the pulley which produces rotation is called

Torque
Moment of momentum
Momentum
Inertia

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Theory of Machine
An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be

600°K
650°K
700°K
625°K

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Theory of Machine
The Coriolis component of acceleration leads the sliding velocity by

180°
135°
45°
90°

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