A.The SART's blips on the PPI will begin arcing and eventually become concentric circles
B.The DSC unit will react to the SART's signal and respond with the two-tone alarm
C.The SART can provide an approximate location to within a two nautical mile radius，per IMO standards
D.The SART signal appears as a target which comes and goes; the effect of heavy swells on a SART
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A.The SART should be placed in water immediately upon activation
B.The SART should be held as high as possible
C.Switch the SART into the "high" power position
D.If possible，the SART should be mounted horizontally so that its signal matches that of the searching radar signal
A.has fired a torpedo during a drill
B.is about to rise to periscope depth
C.is on the bottom in distress
D.is disabled and unable to surface
A.When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal
B.Only the stand-on vessel can sound the danger signal
C.Distress signals may be used in place of the danger signal
D.The danger signal consists of 4 or more short blasts of the whistle
A.do
B.to do
C.doing
D.done
最新試題
Which action(s) should the operator of a pedestal crane take if crane control is lost?（）
Which statement pertaining to log keeping is TRUE?（）
What would NOT be a distress signal?（）
What is the primary equipment for receiving MSI? （）
When hanging off drill pipe in emergency situations aboard a ship，the preferred location of the drill bit is（）.
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?（）
Which statement concerning the navigation of a vessel in ice is FALSE?（）
Which topic is NOT required to be discussed at the pre-transfer conference?（）
What would most likely prevent a SART’s signal from being detected?（）
You have a large，broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however，unless there are special circumstances（）.