A.cofferdams
B.empty cargo spaces
C.gas tight bulkheads
D.areas equipped with power ventilation
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A.power ventilation
B.gooseneck vents and flame screens
C.at least two ducts extending to the weather deck
D.a vent header system
A.gooseneck vents and flame screens
B.pressure-vacuum relief valves
C.branch vent lines and a vent header
D.forced draft blowers
A.cofferdams
B.gastight bulkheads
C.passageways or living quarters
D.general cargo spaces
A.1 minute
B.3 minutes
C.5 minutes
D.10 minutes
A.a subsequent temperature rise will cause the cargo to overflow
B.air pockets may cause the cargo to bubble out of the ullage hole
C.the increased viscosity of the product requires higher loading pressure which increases the chances of a spill
D.the tank valve may be stiff and a spill will occur before the valve can be closed
最新試題
The component in an inert gas system used for cleaning the gas of solid and sulphur combustion products，while simultaneously cooling the inert gas，is called the（）.
Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
Regulations require that tankers handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
Reid vapor pressure is（）.
The deck water seal of the inert gas system（）.
Hoses used for cargo transfer operations must be tested and inspected at specified intervals by（）.
The fresh air intake of the inert gas system（）.
Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in （）.
Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon（）.