The function of the section labeled "C" in the device illustrated is to provide a/an __________. GS-0075

Correct Answer: Option D — passage for gas to be discharged

In rotary pump design, the section labeled 'C' typically functions as a vent or discharge port for trapped gases. This prevents gas binding, ensuring the pump maintains its prime and operates efficiently. Proper venting is essential for the reliable operation of rotary pumps in various marine fluid systems.