What will cause if you run your engine in critical RPM
continuously?

Answer Posted / manikandan

Strictly no machines are allowed to run continuously in its
critical speed. If it happens according to your question
the vibration of the machine will be more and as a result
there is chance of seveior damages to the machine, and if
any loose fitted particles may also come out of its
position which results in a serious damage to the machine.
and apart from these the bearings will get damaged.

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