单项选择题

An oceangoing ship of 400 gross tons and above must be fitted with a standard discharge shore connectionWhat is the size of the bolt circle diameter of the shore connection required to transfer oily ballast to a shore side reception facility?（）

A.125 mm
B.183 mm
C.215 mm
D.It depends on outside pipe diameter

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A firemans outfit carried onboard cargo vessels, must have a （）.

A.canister-type gas mask
B.fresh-air breathing apparatus
C.self-contained breathing apparatus
D.combustible gas indicator

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Which of the following statements represents the correct action to take when three crew members discover a fire?（）

A.One man report the fire, and the other two men fight the fire
B.One man report the fire, one man fight the fire, and one man evacuate and secure the area
C.One man report the fire, one man fight the fire, and one man act as a safety observer
D.All three men fight the fire and report it immediately after it is extinguished

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A new ocean going ship of 2000 gross tons having an inoperative oily water separator may dispose of its bilge slops by （）.

A.holding its slops onboard until they can be pumped into the city sewer system
B.circulating them through the lube oil purifier to remove water and debris
C.holding its slops onboard until they can be discharged to a shore side reception facility
D.pumping them into a settling tank for separation before pumping the oily water residue overboard