默认题库 - 液体散装危险品与IBC规则

单选题

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（）.

A. cargo pump failure
B. blower failure
C. deck seal low water level
D. low inert gas temperature

单选题

Reid vapor pressure is（）.

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

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单选题

Releasing oil from the sea anchor of a survival craft may（）.

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

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单选题

The combined fan discharge rate in an inert gas system is related to the（）.

A. shoreside loading rate
B. maximum cargo pump discharge rate
C. boiler forced draft fan rate
D. size of the largest cargo tank

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单选题

The fresh air intake of the inert gas system（）.

A. prevents the flue gas from falling below 3% content of oxygen
B. allows the inert gas piping to be used for gas freeing the tanks
C. opens when there is excessive vacuum on the deck water seal
D. enables outside air to mix with and cool hot flue gasse

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单选题

The number or name of a tank barge shall be（）.

A. displayed in at least 4 different positions on the barge
B. carved on a wooden board and attached to the barge's hull
C. displayed as close to the navigation lights as possible
D. displayed at the highest point of the barge's hull such that it can be seen from either side

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单选题

The purpose of inert gas systems aboard tankers is to（）.

A. allow sufficient oxygen in the tank to sustain life
B. prevent outside air from entering the tank
C. provide more discharge pressure
D. comply with pollution regulatio

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单选题

The blowers of an inert gas generation system aboard a tanker，will be automatically secured if（）.

A. normal water supply at the water seal is lost
B. the temperature of the inert gas being delivered to the cargo tanks is more than 150°F
C. the cooling water supply to the scrubbers is lost
D. all of the above

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单选题

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

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单选题

According to the Chemical Data Guide，which reactive group(s) is/are not compatible with the products polybutene and o-xylene? （）

A. Nitric acid
B. Amides
C. Alcohols，glycols
D. Phenols，cresol

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