默认题库 - 燃烧与爆炸

A. a tug comes alongside while the tanker is loading grade D and E cargoes
B. a large，fresh oil spill is discovered immediately adjacent to the side of the tanker
C. there is an electrical storm in the vicinity
D. there is a fire on the dock or on a nearby vessel

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单选题

A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind（）.

A. blows the fire back toward the vessel
B. comes over the bow
C. comes over the stern
D. comes over either beam

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单选题

A carbon dioxide fire extinguisher should be recharged（）.

A. at least annually
B. whenever it is below its required weight
C. only if the extinguisher has been used
D. before every safety inspectio

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单选题

The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.

A. a continuous ringing for 10 seconds
B. one short ring followed by one long ring
C. two long rings of at least 20 seconds
D. a continuous ringing until the fire is extinguished

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Each hose in the fuel transfer system for helicopter refueling must meet the standards of the（）.

Each fire hydrant serving machinery spaces containing oil fired boilers，internal combustion machinery，or oil fuel units must be equipped with a（）.

Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.

Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.

Control of flooding should be addressed（）.

CO2 extinguishes a fire by（）.

Cargo transfer operations on a tanker need NOT be stopped when（）.

A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind（）.

A carbon dioxide fire extinguisher should be recharged（）.

The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.

CO₂ extinguishes a fire by（）.