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【单选题】

The firing of a red star signal may mean（）.

A、This is the best place to land

B、You are seen - assistance will be given as soon as possible

C、Tail block is made fast

D、Slack away

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第1题
[] In the event of a flame failure in an auxiliary water-tube boiler, you must（）

A、A.relight the boiler immediately to prevent loss of steam pressure  B、B.relight the fire off the brickwork as the bricks are cherry red  C、C.purge the furnace of any combustible gases before attempting to relight the fire  D、D.speed up the feed pump to prevent dry firing when the burner flame is reestablished  

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第2题
[单选题] The success of an indirect attack on a fire depends on the（）.

A、size of the fire when initially observed  B、complete containment of the fire  C、cooling ability of the firefighting agent  D、class of the fire  

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第3题
[单选题] When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.

A、over the top of the flames  B、off a bulkhead into the fire  C、in front of the fire  D、at the base of the fire  

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第4题
[单选题] The BEST method of applying foam to a fire is to（）.

A、spray directly on the base of the fire  B、flow the foam down a nearby vertical surface  C、sweep the fire with the foam  D、spray directly on the surface of the fire  

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第5题
[单选题] The usual method of effectively applying foam on a fire is by （）.

A、spraying directly on the base of the fire  B、flowing the foam down a vertical surface  C、sweeping the fire before you with the foam  D、spraying directly on the surface of the fire  

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第6题
[单选题] Halon from extinguishers used on a class B fire，should be directed（）.

A、at the top of the flames  B、at the base of the fire near the edge  C、in short quick bursts  D、toward the upwind side of the fire  

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第7题
[] At the earliest indication of fire aboard your vessel, you must FIRST（）.

A、A.locate the fire  B、B.determine which type of fire is burning  C、C.sound the alarm  D、D.fight the fire  

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第8题
[单选题] 首楼甲板涂上两度红丹漆和干舷漆。（）

A、Apply two coats of red lead primer and topside paint to the forecastle deck.  B、Apply two coats of red lead primer and boottopping paint to the forecastle deck.  C、Apply two coats of topside paint and red lead primer to the poop deck.  D、Apply two coats of red lead primer and topside paint to the poop deck.  

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第9题
[] The blocking or absence of fire dampers can cause（）.

A、A.the accumulation of explosive gases  B、B.faster cooling of the fire  C、C.the fire to spread through the ventilation system  D、D.fixed foam systems to be ineffective  

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第10题
[单选题] The primary function(s) of an automatic sprinkler system is(are) to（）.

A、extinguish the fire which triggers it  B、limit the spread of fire and control the amount of heat produced  C、protect people in the areas which have sprinkler heads  D、alert the crew to the fire  

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