單項(xiàng)選擇題How can rescue personnel detect that a SART is transmitting in the immediate vicinity?（）

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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1.單項(xiàng)選擇題How can a SART’s effective range be maximized? （）

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

2.單項(xiàng)選擇題A yellow signal floating in the air from a small parachute，about 300 feet above the water，would indicate that a submarine（）.

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

3.單項(xiàng)選擇題Which statement is TRUE concerning the danger signal?（）.

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

4.單項(xiàng)選擇題In the safety communication，you can get your R/O（）it for you.

A.do
B.to do
C.doing
D.done