海船船员考试
单选题Which is NOT a distress signal?（）A A continuous sounding with any fog signal apparatusB A signal sent by radiotelephone consisting of the spoken word MaydayC An International Code Signal of N.CD The firing of green star rockets or shells
题目
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
参考答案和解析
相似问题和答案
第1题：
What is the most appropriate action for a GMDSS radio operator to take in a distress situation where immediate help is needed，but the vessel is not sinking nor needs to be abandoned ________．
A.Switch off EPIRB and SART manually
B.Transmit distress call by MF/HF，VHF or INMARSAT
C.Notify the RCC（Rescue Coordination Center）through VHF FM on channel 13
D.Transmit distress call by activating the radiotelegraph automatic alarm signal
第2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3题：
One of the signals, other than a distress signal, that can be used by a rescue boat to attract attention is a/an ______.
A.red star shell
B.searchlight
C.burning barrel
D.orange smoke signal
除了遇险信号外，能被救助船用来吸引注意力的一种信号是探照灯。
第4题：
Smoke signal
Flash signal
Fire signal
Radio emergency transmission
第5题：
An orange flag showing a black circle and square is a ______.
A.signal indicating a course change
B.distress signal
C.signal of asking to communicate with another vessel
D.signal indicating danger
一橙色就显示一黑色圆形和方形是遇险信号。
第6题：
Which statement concerning satellite EPIRBs is TRUE ________．
A.Once activated，these EPIRBs continuously send up a signal for use in identifying the vessel and for determining the position of the beacon
B.The coded signal identifies the nature of the distress situation
C.The coded signal only identifies the vessel's name and port of registry
D.If the GMDSS Radio Operator does not program the EPIRB，it will transmit default information such as the follow-on communications frequency and mode
第7题：
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the ______.
A.distress position
B.spoken words “Mayday, Mayday, Mayday”
C.ship’s name
D.ship’s call letters
船舶遇险通过无线电话发送两个占线信号后直接用口头说Mayday,maydaymayday
第8题：
________is the most visible signal of distress from a lifeboat at sea in the daytime.
A.Smoke signal
B.Flash signal
C.Fire signal
D.Radio emergency transmission
第9题：
local-mode coverage
SAR operations
data process
continuous broadcast
第10题：
red star shell
searchlight
burning barrel
orange smoke signal