Question

The efficiency of the pump at quarter load is ____________

(a) 50%

(b) 70%

(c) 80%

(d) 100%

I had been asked this question at a job interview.

I'm obligated to ask this question of Selection of Pumping Units in chapter Pumps and Pumping of Environmental Engineering

Answer 1

The correct choice is (a) 50%

The explanation: The efficiency of the pump at quarter load is 50% and at full load, the efficiency of the pump is 80%.