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Theory of machines - Engineering

Q1:

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

A 0.2

B 0.4

C 0.6

D 0.8

ANS:C - 0.6

Explanation: No answer description is available.