A light signal consisting of three flashes means ______.
A.I am in doubt as to your actions
B.My engines are full speed astern
C.I desire to overtake you
D.I am operating astern propulsion
第1题:
The single letter G,sent by an icebreaker to an assisted vessel,means ______.
A.I require a pilot
B.Longitude follows
C.I am going ahead; follow me
D.Do not follow me
第2题:
A light siglinal consisting of three flashes means ______.
A.I an in doubt as to your actions
B.My engines are full speed astern
C.I desire to overtake you
D.I am operating astern propulsion
第3题:
There is a ()(桅灯) on the mast.
第4题:
Mind your head .I am throwing a ()(细绳)now!
第5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6题:
I am altering my course to starboard
I am altering my course to port
I am operating astern propulsion
My vessel is stopped and making no way through the water
第7题:
fire a green star to the left
send the letter K by light and point to the left
place an orange signal to your left as you signal with a white light
send the code signal S followed by L
第8题:
mast
master
must
derrick
第9题:
danger
I am in distress
the vessel is not under command (broken down)
I am operating astern propulsion
第10题:
A continuous sounding with any fog signal apparatus
A signal sent by radiotelephone consisting of the spoken word Mayday
An International Code Signal of N.C
The firing of green star rockets or shells
第11题:
replaces directional signals
makes the other vessel the stand-on vessel
indicates doubt as to another vessels actions
is the same as a MAYDAY signal
第12题:
all-round yellow light only
all-round white light only
all-round blue light only
alternating red and yellow light
第13题:
If you are on the beach and are signaling to a small boat in distress that your present location is dangerous and they should land to the left,you would ______.
A.fire a green star to the left
B.send the letter K by light and point to the left
C.place an orange signal to your left as you signal with a white light
D.send the code signal S followed by L
第14题:
What are three factors that limit the maximum distance of an amplified optical signal without regeneration? ()(Choose three.)
第15题:
桅灯()
第16题:
in distress
approaching a bend in the channel
operating astern propulsion
intending to overtake another vessel
第17题:
the most three common means
the most common three means
the three most common means
three the most common means
第18题:
stop engines
hold course and speed
alter course to port
sound the danger signal
第19题:
A continuous sounding with any fog signal apparatus
A signal sent by radiotelephone consisting of the spoken word Mayday
An International Code Signal of N.C.
The firing of green star rockets or shells
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:
indifferent
distressing
optimistic
pessimistic
第22题:
A flashing light combined with a fixed light of greater brightness
Light flashes combined in groups,with a different number of flashes in each group
A light showing groups of two or more flashes at regular intervals
A fixed light varied at regular intervals by groups of two or more flashes of greater brightness
第23题:
I am in doubt as to your actions
My engines are full speed astern
I desire to overtake you
I am operating astern propulsion