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A machine operating at 1800 rpm is vibrating due to rotating unbalance. The...

Q.  
A machine operating at 1800 rpm is vibrating due to rotating unbalance. The frequency of vibration is


Answer & Explanation

We have,
ω = 2π * N/60
=2π*1800/60
=188 ---(Approx.)

Thus correct option is: B.

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