USCG USCG Motor
Set 9 • Question #377 of 382
Launch Interactive Practice Room One function of the fuel pump delivery check valve is to __________.
A
prevent carbon deposits from forming on the injector nozzle
B
help the injector needle reseat without dribbling at the nozzle holes
✓ Correct Answer
C
maintain popping pressure in the high pressure steel piping to the injector
D
ensure a fuel leakoff between the plunger and barrel which provides lubrication for relative movement
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'One function of the fuel pump delivery check valve is to', the correct operational principle is: 'help the injector needle reseat without dribbling at the nozzle holes'.
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