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Theory of Machine

Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

2, 2
4, 0
1, 3
3, 1

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Theory of Machine
In a multiple V-belt drive, if one of the belts is broken, then we should replace

The broken belt only
All the belts
The broken belt and the belts on either side of it
None of these

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Theory of Machine
Klein's construction can be used to determine acceleration of various parts when the crank is at

Inner dead centre
Right angles to the link of the stroke
Outer dead centre
All of the listed here

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Theory of Machine
In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by

ω² × QN
ω² × CO
ω² × NO
ω² × CN

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Theory of Machine
For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is

Zero and minimum
Zero and maximum
Minimum and maximum
Maximum and zero

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Theory of Machine
The minimum periodic time of a compound pendulum is

(1/2π). √(kG/g)
2π. √(2kG/g)
2π. √(kG/g)
(1/2π). √(2kG/g)

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