计算机的运算采用( )。
A.十进位制B.八进位制
C.二进位制D.十六进位制
第1题
A vessel not under command sounds the same fog signal as a vessel ______.
A.engaged in towing
B.constrained by her draft
C.under sail
D.All of the above
第2题
If practical, when shall a manned vessel being towed sound her fog signal?______.
A.Immediately before the towing vessel sounds hers
B.Immediately after the towing vessel sounds hers.
C.As close to the mid-cycle of the towing vessel’s signals as possible
D.At any time as long as the interval is correct
第3题
Continuous sounding of a fog whistle by a vessel is a signal ______.
A.that the vessel is anchored
B.to request the draw span of a bridge to be opened
C.of distress
D.that the vessel is broken down and drifting
第4题
In restricted visibility a towed vessel must sound a fog signal when it is ().
A.the last vessel in the tow
B.the last vessel in the tow and it is carrying a crew
C.manned,regardless of its position in the tow
D.None of the above are correct
第5题
A.With the wind abaft the beam or on the stern
B.With the wind on the beam
C.With the wind on the bow
D.With the wind dead ahead
第6题
A.Reduce speed to bare steerageway
B.Stop your engines
C.Begin a radar plot
D.All of the above
第7题
A vessel is "in sight" of another vessel when ______.
A.she can be observed by radar
B.she can be observed visually from the other vessel
C.she can be plotted on radar well enough to determine her heading
D.her fog signal can be heard
第8题
A.the vessel to be overtaken shall sound appropriate signal first
B.the overtaking vessel shall sound appropriate signal first
C.the overtaking vessel shall take action to permit safe passing
D.the vessel to be overtaken shall take action to permit safe passing before hearing appropriate signal
第9题
A.vessel being towed
B.fishing vessel engaged in trawling
C.vessel at anchor warning you of her location
D.power-driven pilot vessel on station underway
第10题
A.When at anchor, the pilot vessel is only required to sound anchor signals
B.The identification signal must be sounded any time the pilot vessel is underway
C.The pilot vessel may only sound the identity signal when making way
D.All of the above
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