USCG USCG General Eng
Set 10 • Question #45 of 498
Launch Interactive Practice Room While attempting to read a tank level indicator, the mercury column drops rapidly. This may indicate __________.
A
a leak in the gage line
✓ Correct Answer
B
free surface effect in the tank
C
an improperly calibrated gage
D
excess air in the balance chamber
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'While attempting to read a tank level indicator, the mercury column drops rapidly. This may indicate', the standard operating requirement is: 'a leak in the gage line'.
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