According to 46 CFR regulations pertaining to tests and inspections as related to automatic auxiliary boilers, the fuel supply control solenoids must be checked for proper shutdown operation. What must be checked for?

Correct Answer: Option D — Upon a normal cycling or safety shutdown, the fuel control solenoid valve coil under test closes with no visible leakage into the burner(s).

Under USCG National Maritime Center examination standards, the accepted correct answer is: Upon a normal cycling or safety shutdown, the fuel control solenoid valve coil under test closes with no visible leakage into the burner(s)..