The meter constant of a single-phase, 230 V induction watt-meter is 600 rev/kW-h

Question

The meter constant of a single-phase, 230 V induction watt-meter is 600 rev/kW-h. The speed of the meter disc for a current of 15 A at 0.8 power factor lagging will be?

Options:

A . 30.3 rpm

B . 25.02 rpm

C . 27.6 rpm

D . 33.1 rpm

Answer: Option C
Answer: (c).27.6 rpm

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