A.At least two lifeboats
B.A radiotelephone
C.A radio direction finder
D.None of the above
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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
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
最新試題
An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in（）.
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? （）
An azimuth angle for a body is measured from the（）.
An aneroid barometer on a boat should always be（）.
Aids to navigation marking the intracoastal waterway can be identified by（）.
An entry of water，gas，oil，or other formation fluid into the wellbore is called a（）.
An example of a grade B product is（）.
All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
An “on-load” release system on a survival craft means the cable can be released（）.
An authorized light to assist in the identification of submarines operating on the surface is a(n)（）.