A.a message about the safety of navigation will follow
B.a message of an urgent nature about the safety of a ship will follow
C.the sender is in distress and requests immediate assistance
D.you should secure your radiotelephone
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A.the towing vessel should slip first
B.the vessel towed should slip first
C.they should slip simultaneously
D.either vessel may slip first
A.the light is characterized as alternately flashing
B.the lighthouse has lost power and has switched to emergency lighting
C.it is the identifying light characteristic of the lighthouse
D.you have entered an area of shoal water or other hazard
A.Switch to flag hoists
B.Broadcast "Seelonce Distress"
C.Broadcast "Charlie Quebec-Mayday-Quiet"
D.Key the microphone three times in quick succession
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
A.Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine
B.The heating coils to the cargo tank loaded with methyl acrylate must be blanked off
C.Valve components made of aluminum,copper,or zinc may not be in contact with the cargoes
D.Each crew member working on deck must have an emergency escape breathing apparatus
最新試題
Which of the following steps should normally be taken first by those who have boarded a liferaft in an emergency situation?()
Which channel and mode should be used when initiating a distress alert transmission?()
Which system may be useful for messages,such as local storm warnings or a shore-to-ship distress alert,for which it is inappropriate to alert all ships in the satellite coverage area?()
You hear on the radiotelephone the word “Securite” spoken three times. This indicates that().
What is the primary purpose for Digital Selective Calling (DSC)?()
Winds expected to()Storm Force 10 in south-east semicircle later up to 300 miles from the center of the tropical cyclone.
What would most likely prevent a SART’s signal from being detected?()
You are underway and pass by a lighthouse. Its light,which was white since you first sighted it,changes to red. This means().
Which equipment is not a source of locating signals?()
Which action(s) should the operator of a pedestal crane take if crane control is lost?()