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
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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
最新試題
In setting the valves on a steam-smothering system on a tank vessel,the master control valve to cargo tanks should be().
The combined fan discharge rate in an inert gas system is related to the().
Releasing oil from the sea anchor of a survival craft may().
If you are fighting a fire below the main deck of your vessel,which action is most importantconcerning the stability of the vessel? ()
After making the required notification that a large oil spill into the water has occurred,the FIRST action should be to().
The purpose of inert gas systems aboard tankers is to().
Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because().
Inerting means().
Hoses used for cargo transfer operations must be tested and inspected at specified intervals by().
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().