USCG USCG General Eng
Set 9 • Question #472 of 498
Launch Interactive Practice Room An inverted gate valve (stem pointing downward) may be subject to wear sooner than a similar valve installed in the upright position because __________.
A
the gate's full weight is upon the stem
B
the gland stud nuts are under more pressure
C
sediment collects in the bonnet
✓ Correct Answer
D
the packing will not properly adhere to the stem
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'An inverted gate valve (stem pointing downward) may be subject to wear sooner than a similar valve installed in the upright position because', the standard operating requirement is: 'sediment collects in the bonnet'.
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