單項選擇題

The Emergency Position Indicating Radiobeacon on a cargo vessel must be stowed（）.

A.in an inside passageway
B.in an approved bracket
C.so that it is accessible from the bridge of the vessel
D.so that it will float free if the vessel sinks

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單項選擇題

The difference between a class A and a class B EPIRB is that the class A EPIRB（）.

A.operates on both military and civilian aircraft distress frequencies
B.transmits both an alerting signal and a homing signal
C.must be the float free type and automatically activated
D.operates with a greater output of signal power

單項選擇題

The Consol navigation system，used in Russian and Northern European waters，can be used（）.

A.for precise navigation in coastal waters
B.by measuring the phase difference of the dots and dashes
C.as an aid to ocean navigation
D.if the vessel is fitted with a special Consol receiver

The Emergency Position Indicating Radiobeacon on a cargo vessel must be stowed（）.

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The difference between a class A and a class B EPIRB is that the class A EPIRB（）.

The Consol navigation system，used in Russian and Northern European waters，can be used（）.

The Consol navigation system，used in Russian and Northern European waters，can be used（）.