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1.
What is meant by vibrations?
2.
Define Force vibration.
3.
What is meant by logarithmic decrement?
4.
Mention the uses of vibration.
5.
What is the critical speed of shaft?
6.
Define continuous beam.
7.
What is meant by natural vibration?
8.
Define Resonance.
9.
Mention important types of free vibrations.
10.
What is meant by viscous damping?
11.
What are three elementary part of a vibrating
system?
12.
What is common type of damping?
13.
Define spring stiffness and damping constant.
14.
Why is it important to find the natural frequency of
a vibrating system?
15.
What are the causes of vibration?
16.
Give two examples each of the bad and good effects
of vibration
17.
Define degree of freedom of a vibrating system
18.
What is the difference between deterministic and
random vibration?
19.
What is the difference between harmonic motion and
periodic motion?
20.
Define the terms: cycle, amplitude, phase angle,
frequency, period and natural frequency.
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