Which of the following is a main component of a rotary pump?
A) Shaft
B) Packing/seal
C) Inlet check valve
D) Outlet check valve
Answer: A
Explanation: A) Correct. The main components of a rotary pump are housing, shaft, inlet valve, outlet valve, lobes, gears, or vanes.
B) Incorrect. The main components of a rotary pump are housing, shaft, inlet valve, outlet valve, lobes, gears, or vanes.
C) Incorrect. The main components of a rotary pump are housing, shaft, inlet valve, outlet valve, lobes, gears, or vanes.
D) Incorrect. The main components of a rotary pump are housing, shaft, inlet valve, outlet valve, lobes, gears, or vanes
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