單項(xiàng)選擇題According to the Chemical Data Guide,1,3 - pentadiene possesses which characteristic? ()

A.Colorless liquid,mild aromatic odor
B.Pale yellow liquid,strong odor
C.Colorless liquid,faint odor
D.Straw-colored liquid,sweet-odor


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1.單項(xiàng)選擇題According to regulations,access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo shall be().

A.from areas equipped with power ventilation
B.only from enclosed areas free from sources of vapor ignition
C.from the open deck
D.from within the vessel

2.單項(xiàng)選擇題Access to a cargo pumproom on a tank vessel carrying grades A,B,C or D liquid cargoes shall be().

A.at least 13.1 feet away from the galleys,living quarters or navigation spaces
B.from the open deck
C.only from areas equipped with power ventilation systems
D.isolated from any part of the vessel which normally contains sources of vapor ignition

3.單項(xiàng)選擇題A synonym for chloroform is().

A.trichloromethane
B.sulfuric chlorohydrin
C.chlorine gas
D.4-methyl phenol

4.單項(xiàng)選擇題A safe fuel system must().

A.prevent engine overheating
B.have proper air/gasoline fuel mixture ratio
C.be liquid- and vapor-tight
D.supply sufficient air to the intake manifold

5.單項(xiàng)選擇題A petroleum liquid has a flash point of 135°Fahrenheit. This liquid is classed as a grade ().

A.B flammable liquid
B.C flammable liquid
C.D combustible liquid
D.E combustible liquid

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The purpose of the deck seal in an inert gas system is to prevent().

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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().

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Regulations require that cargo pumps in tankers carrying grade D liquid cargo shall be isolatedfrom sources of vapor ignition by().

題型:單項(xiàng)選擇題

Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because().

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Sour crude oil().

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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.

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What alarm is NOT found on an inert gas system? ()

題型:單項(xiàng)選擇題

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 ().

題型:單項(xiàng)選擇題

According to the Chemical Data Guide,1,3 - pentadiene possesses which characteristic? ()

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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().

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