A.A vessel on the starboard bow whose bearing is changing and range is decreasing
B.A vessel on the starboard bow whose bearing is steady and range is increasing
C.A vessel on the port bow whose bearing is steady and range is decreasing
D.A vessel on the port bow whose bearing is changing to the left and range decreasing
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A.Increased draft
B.Pitch
C.Roll
D.Change in trim
A.beam
B.radar
C.light beacon
D.reflector
A.relative display
B.composite display
C.stabilized display
D.unstabilized display
A.tree or log awash in a nearly vertical position
B.crew member who refuses to work
C.upstream end of a land wall
D.buoy that is adrift
A.one-millionth part of a second
B.one-thousandth part of a second
C.one-hundredth part of a second
D.one-tenth part of a second
A.Gain Control
B.Brilliant Control
C.Anti-clutter Sea Control
D.Sweep Intercept
A.persistence
B.pulse repetition rate
C.pulse length
D.resolution
A.accurate only in the Polar regions
B.accurate electronic servomechanisms
C.hand operated
D.accurate only if the vessel is underway
A.As many as
B.So many as
C.As much as
D.As more as
A.high pressure system
B.low pressure system
C.high dew point
D.low dew point
最新試題
A Doppler log in the bottom return mode indicates the（）.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
A radar display in which North is always at the top of the screen is a(n)（）.
Deviation in a compass is caused by the（）.
The radar component that generates the radio-frequency energy in the form of short powerful pulses is which of the following?（）.
A deadhead is a(n)（）.
（）20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions are possible.
（）should be used during the poor visibility if the radar’s screen shows heavy sea returns.
An ECDIS is required to display which information?（）
Compass deviation is caused by（）.