When carrying a cargo of asphalt or molten sulfur，which are carried at temperatures of over 300°F，one of the biggest dangers is（）.

A、A.water in the tanks or pipelines

B、B.having the cargo too cool

C、C.explosion of vapors after discharge

D、D.inadequate ullage space

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更多“When carrying a cargo of asphalt or molten sulfur，which are carried at temperatures of over 300°F，one of the biggest dangers is（）.”相关的问题

第1题

[单选题] Dangerous goods required to be “carried on deck only” should not be carried on closed vehicle decks，but may be carried on open vehicle deck when authorized by the competent authority concerned. （）

A、under deck B、on deck C、ondeck only D、under deck only

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第2题

[单选题] At sea，on what occasion would you display two red lights at night or two black balls during the day?（）.

A、When vessel is on fire B、When vessel is not under command C、When vessel is carrying the dangerous cargoes D、When vessel is restricted in her ability to maneuver

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第3题

[单选题] A half-height container is used（）.

A、to carry cargoes of low density B、when stowage space is limited C、to carry cargoes such as steel products or drums D、to double the stowage capacity of the vessel

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第4题

[单选题] A half-height container is used（）.

A、to carry cargoes of low density B、when stowage space is limited C、to carry cargoes such as steel products or drums D、to double the stowage capacity of the vessel