Question 6032 of 223 · California Water Treatment Operator Exam

A pump requires 31.25 brake horsepower and the motor is 90 percent efficient. What motor horsepower is required?

Exactly one answer is correct.

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Correct answer to question 6032

  • C: 34.7 hp

Explanation

Motor hp = brake hp / motor efficiency = 31.25 / 0.90 = 34.7. The motor must supply more power than the pump takes.

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