單項(xiàng)選擇題You are loading a cargo that includes cylinders of acetylene aboard your break bulk vessel. Which statement is true? ()

A.The cylinders must be stowed at least 10 horizontal feet from corrosive materials in the same space
B.Stowage in the upper deck-deck is considered to be the equivalent of "on deck" stowage for this cargo
C.The cylinders must have a red label for flammability and a green label for compressed gas
D.The cylinders may be protected from the radiant heat of the Sun by laying a tarp on them


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1.單項(xiàng)選擇題You are loading a cargo tank on your container ship. The tank displays the red label shown. Which statement is TRUE? ()

A.The tank contains propylene
B.The tank's volume is 1077 cubic feet
C.There are three tanks in the shipment
D.The tank contains an oxidizing material

2.單項(xiàng)選擇題You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters,fuel barges,etc.) to foreign flag vessels in port. What will be accepted as proper credentials for you and your crew? ()

A.No credentials are required since you operate on inland waters only
B.Social Security card
C.State driver's license with photo ID
D.Merchant Mariner's Document

3.單項(xiàng)選擇題You are discharging cargo and the inert gas system is in operation to inert the tanks. The pressure in a tank being discharged starts to drop below the allowable limit. What action should you take? ()

A.Cut in another IG fan to increase gas flow
B.Open the pressure control valve until the pressure increases
C.Open the tank isolation valve to the fully open position
D.Reduce the pumping rate

4.單項(xiàng)選擇題You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? ()

A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned
B.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank
C.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue
D.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank

5.單項(xiàng)選擇題You are carrying triethylamine,methyl methacrylate and isoprene in your multiple-product tanker. Which of the following statements is true? ()

A.Isoprene may be carried in a cargo tank adjacent to either of the other two cargoes
B.Methyl methacrylate may not be carried in a tank adjacent to a pump room
C.Methyl methacrylate must usually be heated to maintain its stability
D.Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine

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