Answer the following single-choice questions about CERTIFIED HVAC DESIGNER exam:
100 GPM (378 LPM) of water is pumped with a 2 HP base-mounted pump operating at 75% efficiency. What is the approximate head loss on the system?
A. 40 ft (120 kPa)
B. 60 ft (180 kPa)
C. 80 ft (240 kPa)