Which of the following is a cause of no or low discharge flow?

A. Increased head
B. Open valves
C. Line blockage
D. System design


A. Incorrect. Causes of no or low discharge flow include reduced head, closed valves, line blockage, system redesigns, and blocked suction strainers/screens.
B. Incorrect. Causes of no or low discharge flow include reduced head, closed valves, line blockage, system redesigns, and blocked suction strainers/screens.
C. Correct. Causes of no or low discharge flow include reduced head, closed valves, line blockage, system redesigns, and blocked suction strainers/screens.
D. Incorrect. Causes of no or low discharge flow include reduced head, closed valves, line blockage, system redesigns, and blocked suction strainers/screens.

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