When the power of SART is on, it will()
A.transmit distress signal
B.send response signal
C.transmit the signal of ship‟s position
D.be start by X-band radar
A.transmit distress signal
B.send response signal
C.transmit the signal of ship‟s position
D.be start by X-band radar
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.
President Clinton ______ power when the US economy was slow.
A.presumed
B.consumed
C.resumed
D.assumed
A.Alert the Coast Guard by using the survival craft's portable INMARSAT unit
B.Program the SART and EPIRB to transmit the vessel's location and situation
C.Place the SART and EPIRB in the“ON”position and secure them to the survival craft
D.No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly
A.Program the SART and EPIRB to transmit the vessel’s location and situation
B.No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly
C.Alter the Coast Guard by using the survival craft’s portable
D.Place the SART and EPIRB in the “ON” position and secure them to the survival craft
When did Mr. Avril come into power?
A.In2001.
B.In 2000.
C.In 1998.
D.In 1997.
When the current in a power transmission line is increased, the power loss _____.
A.increases as the square of the current
B.decreases as the square root of the current
C.remains the same, as it is independent of current flow
D.increases in direct proportion as the current
Hardly _____ when there was a power cut .
A.has the film started
B.had the film started
C.the film started
D.started the film
Space-based solar cells could collect solar power only when skies are clear.
A.Right
B.Wrong
C.Not mentioned
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