Q. The process of filling the liquid into the suction pipe and pump casing up to the level of delivery valve is called as
✅ Correct Answer: (C)
priming
Explanation: most pumps are not self- priming. in other words, the pump casing must be filled with liquid before the pump is started, or the pump will not be able to function. in case the pump casing gets filled with vapors or gases, the pump impeller becomes gas-bound and incapable of pumping.