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Theory of Machine

Theory of Machine
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by

2ECS²
2ECS
EC S/2
2E²CS

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Theory of Machine
In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called

Coefficient of fluctuation of energy
None of the listed here
Fluctuation of energy
Maximum fluctuation of energy

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Theory of Machine
In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to

0.2
0.8
0.4
0.6

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Theory of Machine
The cam follower generally used in aircraft engines is

Knife edge follower
Spherical faced follower
Roller follower
Flat faced follower

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Theory of Machine
Peaucellier’s mechanism has

Four links
Eight links
Six links
Twelve links

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Theory of Machine
The length of a simple pendulum which gives the same frequency as the compound pendulum, is

kG + l₁
kG² + l₁
(kG² + l₁²)/ l₁
(kG + l₁²)/ l₁

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