An electric motor of power 2hp is installed in an industrial unit. Its power is
Correct answer: D. 1492 w
- A. 1500 w
- B. 742 w
- C. 148 w
- D. 1492 w
Explanation
A fully loaded 2 HP motor at 100% efficiency consumes 2 x 0.746 = 1.492 kW per hour.
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About Power
Power is the rate at which work is done or energy is transferred, with average power calculated over a time interval and instantaneous power found from P = Fv when force and velocity are aligned. Work includes units, mechanical efficiency, and the distinction between power and total work or energy.
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