What type of pump is shown in the illustration? GS-0144
Official USCG Answer & Rule Citation
Correct Answer: Option C — Triple screw rotary pump
The illustration depicts a triple screw rotary pump, characterized by a central power rotor and two idler rotors. This positive displacement design is widely used for fuel and lube oil service due to its ability to provide a smooth, non-pulsating flow and high efficiency with viscous fluids.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.