A.Mayday
B.Pan-pan
C.Securite
D.Safety
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A.Carbon disulfide
B.Ethyl alcohol
C.Isoprene
D.Oleum
A.Mayday
B.Pan
C.Safety
D.Interco
A.SOS sent three times
B.ten one-second dashes with a four-second interval between them
C.twelve four-second dashes with a one-second interval between them
D.twelve one-second dashes with a short interval between them
A.the actual depth
B.added to or subtracted from the charted depth
C.multiplied by the charted depth
D.divided by the charted depth
A.Control bleeding
B.Reduce pain
C.Immobilize a fracture
D.Reset the bone
A.distance
B.largeness
C.diameter
D.measurerment
A.shown
B.expressed
C.appeared
D.displayed
A.a distinctive signal
B.the Morse Code signal for SOS
C.a computerized voice announcement of Mayday
D.your vessel's International Radio Call Sign
A.reduce the length of the cable
B.pay out more anchor cable
C.back the engines
D.swing the rudder several times to work the anchor into the bottom
A.Distress
B.Safety
C.All clear
D.Urgency
最新試題
What is the()of the turning circle in mavoeuvring?
Which radiotelephone signal indicates receipt of a distress message?()
The best method to stop a vessel from dragging anchor in a sand bottom is to().
When testing a Class A EPIRB you will know the EPIRB is working properly if you hear on 99.5 Mhz FM or any vacant frequency on a nearby AM radio().
The vessel was drifted off from her()due to strong wind.
The two main types of load cells used in mooring tension gauges are().
In radiotelephone communications,the prefix PAN-PAN indicates that().
There is plenty of()at this area.
The radiotelegraph alarm signal is().
We have no steel wire.You had better()us one.