A.diminishing the height of the seas
B.lengthening the distance between successive crests
C.increasing the height of the seas
D.preventing the wave crests from breaking
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A.contains high quantities of hydrogen sulfide
B.is diluted with other products for carriage
C.is lighter than other crudes
D.is less hazardous to load than other crudes
A.keep the propeller from being fouled
B.increase propeller speed
C.help calm the waves in the vicinity of the craft
D.increase the holding power of the sea anchor
A.exerted by liquid cargo on the sides of a tank
B.exerted by liquid cargo on a cargo hose body
C.the lowest temperature and pressure that will cause a flammable liquid to give off vapors
D.a measurement of the amount of flammable vapors given off by a liquid at a certain temperature
A.cofferdams
B.empty cargo spaces
C.gas tight bulkheads
D.areas equipped with power ventilation
A.cofferdams
B.empty cargo spaces
C.gas tight bulkheads
D.areas equipped with power ventilation
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
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Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall（）the system in accordance with the requirements of that Regulation.
Upon arrival at the discharging port，the inert gas system is（）.
After making the required notification that a large oil spill into the water has occurred，the FIRST action should be to（）.
Reid vapor pressure is（）.
The designations A，B，C，D and E grades of cargo refer to the（）.
The purpose of inert gas systems aboard tankers is to（）.
According to the Chemical Data Guide，1，3 - pentadiene possesses which characteristic? （）
Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with（）.
During loading and discharging operations，in addition to when the cargo tanks have been properly filled，each inert gas system must be capable of maintaining a minimum gas pressure of（）.
If a leak occurred while loading diethylenetriamine，the chemical data guide indicates you would smell an odor similar to（）.