航海英语安全通信章节练习(2019.05.05)

单项选择题
Which channel and mode should be used when initiating a distress alert transmission?（）
A.Channel 6 DSC
B.Channel 6 Radiotelephony
C.Channel 13 Radiotelephony and channel 16 DSC
D.Channel 70 DSC
单项选择题
In the safety communication，you can get your R/O（）it for you.
A.do
B.to do
C.doing
D.done
单项选择题
Which step should normally be taken FIRST by those who have boarded a liferaft in an emergency?（）
A.Ration food and water supplies
B.Take anti-seasickness pills，if available
C.Determine position and closest point of land
D.Check pyrotechnic supplies
单项选择题
You are on a multiple-product chemical tanker with orders to load diethylamine. What is NOT a requirement for transporting this cargo?（）
A.You must have two toxic vapor detectors or the pumproom must meet special requirements
B.Each crew member must be provided with an emergency escape breathing apparatus
C.A person taking cargo samples must wear protective clothing
D.If you are also carrying allyl alcohol，the venting systems must be segregated
单项选择题
Which action(s) should the operator of a pedestal crane take if crane control is lost?（）
A.Let go of both control levers and return to neutral position
B.Press the emergency stop
C.Notify the mate on watch
D.All of the above
单项选择题
What is the MOST important thing you should do before transmitting on a marine radio? （）
A.Ask for permission
B.Record the time in your radio log
C.Press the push to talk button three times
D.Monitor the channel to insure that it is clear
单项选择题
Which topic is NOT required to be discussed at the pre-transfer conference?（）
A.Identity of the product to be transferred
B.Details of transferring and receiving systems
C.Emergency shutdown procedures
D.Estimated time of finishing cargo
单项选择题
What would NOT be a distress signal?（）
A.MAYDAY sent by radiotelephone
B.Continuous sounding of fog horn
C.Green star shells fired from a launcher
D.Square flag and ball in a vertical line
单项选择题
Which statement concerning Montauk Point Light is TRUE?（）
A.The light comes on at sunset
B.There is an emergency light if the main light is extinguished
C.The height of the light is 24 feet
D.The tower is painted with black and white stripes
单项选择题
When will the float-free emergency position indicating radio beacon be activated after abandoning ship?（）
A.Immediately after floating free
B.After about one hour when the salt water activates the battery
C.Only when keyed by the radar of another vessel
D.Only when daylight activates the photovoltaic cell