A.in the ends of each tank
B.in the expansion trunk of each tank
C.above the weather deck
D.there are no requirements in the regulation
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A.phosgene gas
B.sulfuric acid gas
C.sulfur dioxide gas
D.carbon tetrachloride
A.5 times the maximum working pressure on the hose during cargo transfer
B.one half the designed working pressure
C.4 times the pressure of the cargo pump used for transferring
D.5 times the minimum working pressure on the hose during cargo transfer
A.keel
B.center of buoyancy
C.tipping center
D.amidships section
A.keeps sparks from falling into an open tank
B.secures covers on ullage openings
C.prevents sparks from getting out of an engine's exhaust system
D.grounds static electricity
A.after the discharge valve
B.between the pump and discharge valve
C.after the suction valve
D.between the pump and suction valve
最新試題
Where should the tops of vents from gasoline tanks terminate?（）.
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.
Each ship having an inert gas system must have a portable instruments to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure（）.
Storage batteries should be charged in a well ventilated area because（）.
What is used to test a tank for oxygen content?（）
Each inert gas system must be designed to supply the cargo tanks with a gas，or mixture of gasses，that has an oxygen content by volume of（）.
Name one major advantage of transporting gas under refrigeration.（）
The amount of LFG that may be loaded into a given tank is determined by（）.
The shut off valve at the gasoline tank which can be operated from outside the tank space （）.
The storage device for nitrogen-pressurized hydraulic fluid，which is used in closing the blowout preventers is called the（）.