单项选择题
A.mineral oil B.machinery oil being transferred for shipboard use C.crude oil unrefined D.normal bilge oil and water
The pollution prevention regulations state that slop oi...
单项选择题The pollution prevention regulations state that slop oil and sludge that result as part of normal fueling operations should be disposed of by （）
A.discharging ashore into the sewer system B.sealing in disposable plastic barrels aboard ship C.discharging into a shore tank or stop barge D.dumping into the ship’s bunker tanks
Which fire fighting agent has the greatest capacity for...
单项选择题Which fire fighting agent has the greatest capacity for absorbing heat?（）
A.water B.dry chemical C.foam D.CO2
Which types of portable extinguisher should you watch f...
单项选择题Which types of portable extinguisher should you watch for the reflash of the fire?（）
A.foam and water B.CO2 and dry chemical C.dry chemical and water D.foam and CO2
