General Subjects (Auxiliaries & Systems) USCG Question #1664 (Set 25)

When reading a pressure that fluctuates severely on a direct reading pressure gauge, what should be done?

Official USCG Answer & Rule Citation

Correct Answer: Option B — The pulsation dampening needle valve should be throttled down (without closing) until the fluctuation ceases.

Under USCG National Maritime Center examination standards, the accepted correct answer is: The pulsation dampening needle valve should be throttled down (without closing) until the fluctuation ceases..

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