單項選擇題

Air gap is the vertical distance between the bottom of the hull and the（）.

A.still water level
B.wave crest
C.wave crest plus the charted water depth and tidal corrections
D.wave crest plus the charted water depth and tidal correction and storm surge

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單項選擇題

According to regulations，access to a cargo pumproom in a tanker carrying grades C or D liquid cargo shall be（）.

A.from areas equipped with power ventilation
B.only from enclosed areas free from sources of vapor ignition
C.from the open deck
D.from within the vessel

單項選擇題

Access to a cargo pumproom on a tanker carrying grades A，B，C or D liquid cargoes shall be（）.

A.at least 13.1 feet away from the galleys，living quarters or navigation spaces
B.from the open deck
C.only from areas equipped with power ventilation systems
D.isolated from any part of the vessel which normally contains sources of vapor ignition

Air gap is the vertical distance between the bottom of the hull and the（）.

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According to regulations，access to a cargo pumproom in a tanker carrying grades C or D liquid cargo shall be（）.

Access to a cargo pumproom on a tanker carrying grades A，B，C or D liquid cargoes shall be（）.

Access to a cargo pumproom on a tanker carrying grades A，B，C or D liquid cargoes shall be（）.