A light used to signal passing intentions must be an ______.
A.all-round yellow light only
B.all-round white light only
C.all-round blue light only
D.alternating red and yellow light
第1题:
A vessel trawling will display a ______.
A.red light over a white light
B.green light over a white light
C.yellow light over a red light
D.white light over a green light
第2题:
There is a ()(桅灯) on the mast.
第3题:
Deck lights forward and aft
A white light over two red lights
A red light,white light,and blue light in a vertical line
A distinctive signal promulgated by the CSS
第4题:
masthead light
all-round light
sidelight
sternlight
第5题:
flashing amber light
yellow light with the same characteristics as the sternlight
all-round yellow light
yellow light with the same characteristics as the masthead light
第6题:
special flashing light
anchor light
sternlight
masthead light
第7题:
When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal
Only the stand-on vessel can sound the danger signal
Distress signals may be used in place of the danger signal
The danger signal consists of 4 or more short blasts of the whistle
第8题:
mast
master
must
derrick
第9题:
Orange
White
Red
Alternating yellow and white
第10题:
fixed red light
flashing light
white light
occulting light
第11题:
alternating red and yellow light
alternating white and yellow light
all-round white or yellow light
all-round white light only
第12题:
shown below the sternlight
white in color
displayed at the masthead
a yellow light having the same characteristics as the stern light
第13题:
A buoy marking a wreck will show a(an) ______.
A.white light FL (2) and a topmark of 2 black spheres
B.occulting green light and may be lettered
C.yellow light and will be numbered
D.continuous quick white light and may be numbered
第14题:
桅灯()
第15题:
shown below the stern light
white in color
displayed at the masthead
a yellow light having the same characteristics as the stern light
第16题:
engaged in piloting
towing astern
engaged in fishing
in distress
第17题:
flashes at regular intervals at a frequency of 120 flashes or more per minute
is yellow in color
is visible over an arc of the horizon of not less than 180°nor more than 225°
All of the above
第18题:
white lights are not used
red and green lights are not used
the signal cannot be mistaken for a signal authorized by the Rules
the vessel signals such intentions over the radiotelephone
第19题:
A sternlight only
Anchor lights only
A white light over a red light only
A white light over a red light and anchor lights
第20题:
on an even keel
listing about 1° to the side the light is displayed on
listing over 5° With the light displayed on the high side
listing,and the chutes should be directed to the side where the light is displayed
第21题:
A flashing yellow light
A red light visible all around the horizon
A green light visible all around the horizon
An illuminated red and yellow caution flag
第22题:
shows a light with varying lengths of the lighted period
shows a light that changes color
marks an alternate lesser-used channel
is used as a replacement for another light
第23题:
all-round yellow light only
all-round white light only
all-round blue light only
alternating red and yellow light