USCG USCG General Eng
Set 3 • Question #301 of 498
Launch Interactive Practice Room A fluctuating and unsteady vacuum in an evaporator may be caused by __________.
A
wet steam entering the air ejector
✓ Correct Answer
B
pinhole leaks in the evaporator tube nests
C
rapid scaling on the evaporator tube nests
D
high water levels in the last effect
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'A fluctuating and unsteady vacuum in an evaporator may be caused by', the standard operating requirement is: 'wet steam entering the air ejector'.
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