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单选题
The primary hazard of liquefied petroleum gas and liquefied natural gas is（）.
A
pressure
B
toxicity
C
temperature
D
flammability
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LNG是( )的缩写。
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Certificate of Fitness for the Carriage of Liquefied Gases in Bulk shall be carried on board by ______．A.gas carriers constructed on or after 1 July 1986B.gas carriers constructed before 1 July 1986C.All chemical tankersD.oil tankers of 150 gross tonnage and above
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Certificate of insurance or other financial security in respect of civil liability for oil pollution damage shall be carried on board by ______．A.ships carrying more than 2000 tons of oil in bulk as cargoB.oil tankersC.bulk chemicals carriersD.liquefied gas carriers
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If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo ________．A.Make periodic inspections of bilgesB.Keep the barge under constant surveillanceC.Have a properly certificated tankerman or at least one licensed officer on board the towing vesselD.Verify ullage readings
考题
The primary hazard of liquefied petroleum gas and liquefied natural gas is ______．A.PressureB.ToxicityC.TemperatureD.Flammability
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The vapor pressure of a gas is the pressure necessary to keep it in a（n）______．A.Soluble stateB.Solid stateC.Liquefied stateD.Inert state
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One of the principal dangers inherent in liquefied petroleum gas is ______．A.As it warms up it becomes heavier than airB.The way it reacts with sea waterC.The strong odor it producesD.Its low temperature causes frostbite or freezing
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You are on a vessel that carries liquefied gasses in bulk．The person on watch is required to have what information about the cargo easily accessible ________．A.Port of loadingB.Exact quantity on boardC.Name and address of consigneeD.Firefighting procedures
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The engine in a covered lifeboat is fueled with ______．A.KeroseneB.Unleaded gasolineC.Diesel oilD.Liquefied gas
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A fire of escaping liquefied flammable gas is best extinguished by ______.A.cooling the gas below the ignition pointB.cutting off the supply of oxygenC.stopping the flow of gasD.interrupting the chain reaction
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Which of the following concerning natural gas is NOT true？( ) A.It was not favored in the past.
B.It is easily affected by the change of the climate.
C.People are beginning to realize its value.
D.It is increasingly cheaper to be liquefied.
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Which type of ships as below isn’t subject to Enhanced Survey Program (ESP)?（）A、Non-sea-going shipsB、Liquefied gas carriersC、Bulk carriers, including ore carriersD、Edible oil tankers
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单选题During working, thermostatic expansion valve should be （）.A
either all the way open or all the way closedB
normally fully openC
throttled depending on loadD
controlled by liquefied pressure
考题
单选题One of the principal dangers inherent in liquefied petroleum gas is（）.A
as it warms up it becomes heavier than airB
the way it reacts with sea waterC
the strong odor it producesD
its low temperature causes frostbite or freezing
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单选题A fire of escaping liquefied flammable gas is best extinguished by（）.A
cooling the gas below the ignition pointB
cutting off the supply of oxygenC
stopping the flow of gasD
interrupting the chain reaction
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单选题International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (IGC Code) is a part of（）A
SOLASB
MARPOLC
STCWD
Ballast Water convention
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单选题The weight of liquefied petroleum gas vapors as compared to air is（）.A
variableB
the sameC
lighterD
heavier
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单选题If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）A
Make periodic inspections of bilgesB
Keep the barge under constant surveillanceC
Have a properly certificated tankerman or at least one licensed officer on board the towing vesselD
Verify ullage readings
考题
单选题According to regulations，a cargo hose used for transferring liquefied gases must have a bursting pressure of（）.A
5 times the maximum working pressure on the hose during cargo transferB
one half the designed working pressureC
4 times the pressure of the cargo pump used for transferringD
5 times the minimum working pressure on the hose during cargo transfer
考题
单选题When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas)，you should （）.A
attempt to isolate the fire from the LPGB
cool the bottles or remove them from the fire areaC
see that the valves on all LPG bottles are closedD
place insulating material over the bottles
考题
名词解释题液化天然气liquefied natural gas（LNG）
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