The component identified as item #15 is used to __________. Illustration MO-0016
Official USCG Answer & Rule Citation
Correct Answer: Option B — stop fuel delivery to the injector
Fuel shutoff or spill valves in jerk-pump injection systems are designed to instantly bypass pressurized fuel, terminating injection. Item #15 specifically acts as the control mechanism to interrupt fuel delivery to the associated injector during emergency shutdowns or cylinder cutout testing.
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