A.carried by hand to a fire
B.carried or rolled to a fire
C.recharged in the field
D.used on class "B" fires
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A.boarding and operating procedure
B.maintenance schedules
C.navigational systems
D.fuel consumption rates
A.boarding and operating procedures
B.maintenance schedule
C.navigational systems
D.fuel consumption rates
A.laying a pipeline
B.dredging
C.mineclearing
D.not under command
A.location
B.height of light above water
C.luminous range
D.light characteristics
A.fuel
B.electricity
C.oxygen
D.heat
最新試題
Explosive and flammable gasses are most likely to be encountered on a vessel（）.
An entry of water，gas，oil，or other formation fluid into the wellbore is called a（）.
In handling break bulk hazardous materials，it is forbidden to use（）.
All Loran-C transmitting stations are equipped with cesium frequency standards which permit （）.
An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes? （）
All personnel on board a vessel should be familiar with the rescue boat’s（）.
An azimuth angle for a body is measured from the（）.
An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter “E” (Echo) to signify that “（）”.
All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
An authorized light to assist in the identification of submarines operating on the surface is a(n)（）.