Science, asked by tanmaybagal48, 1 month ago

What do you mean by tachometer?​

Answers

Answered by selenophile7
1

Answer:

A tachometer is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. The device usually displays the revolutions per minute (RPM) on a calibrated analogue dial, but digital displays are increasingly common.

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