The area indicated by the letter "W", shown in the illustration is correctly termed the __________. Illustration MO-0112
Official USCG Answer & Rule Citation
Correct Answer: Option C — opening chamber
Hydraulically operated self-desludging purifiers rely on controlled water pressure chambers. Area 'W' receives operating water pressure that forces the sliding piston downward to open the sludge ports during the automatic desludging cycle.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.