What is the primary purpose of the lead-lag arrangement of the two potable water pumps supporting a typical potable water system?
A
Enabling the lag pump to cycle on and off during periods of relatively low demand and the lead pump to assist the lag pump only when the demand is high.
B
Enabling the lead pump to pump against a shut-off head during periods of relatively low demand and the lag pump to recirculate when the demand is high.
C
Enabling the lead pump to cycle on and off during periods of relatively low demand and the lag pump to assist the lead pump only when the demand is high.
D
Enabling both potable water pumps to cycle on and off together in response to system demand changes.
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Question 1 / 205eccef9cbacbc34ba4d4572e
Question 1 of 205eccef9cbacbc34ba4d4572e
What is the primary purpose of the lead-lag arrangement of the two potable water pumps supporting a typical potable water system?