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Theory of Machine

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

0.8
0.6
0.2
0.4

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

Cross head
Slider crank
Gudgeon pin
Connecting rod

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Theory of Machine
Klein's construction gives a graphic construction for

Velocity polygon
Four bar chain mechanism
Slider-crank mechanism
Acceleration polygon

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Theory of Machine
A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a

Kinematic chain
Inversion
Mechanism
Structure

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Theory of Machine
Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts?

Theory of machines
Mechanisms
Kinetics
Applied mechanics

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Theory of Machine
The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as

Damping coefficient
Damping factor
Magnification factor
Logarithmic decrement

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