What is the calling and distress frequency on a single side band (SSB) marine radiotelephone?()
A、A.1492 kHz
B、B.1892 kHz
C、C.2082 kHz
D、D.2182 kHz
A、A.1492 kHz
B、B.1892 kHz
C、C.2082 kHz
D、D.2182 kHz
A、The action parameter of rcnfs in /etc/inittab is 'off' and the script called is not exiting. B、The action parameter of rcnfs in /etc/inittab is 'wait' and the script called is not exiting. C、The action parameter of rcnfs in /etc/inittab is 'once' and the script called is not exiting. D、The action parameter of rcnfs in /etc/inittab is 'respawn' and the script called is not exiting.
A、the seventh call is routed via the PSTN B、the call is denied and the original six (6) calls remain C、the call is completed and the first call is dropped D、the call is completed, but all calls have quality issues E、the call is completed but the seventh call has quality issues
A、The deck from bow to stern is called the main deck. B、The deck from stern to bow is called the tweendeck. C、The deck from bow to stern is called the upper deck. D、The deck from stern to bow is called the lower deck.
A、The height from the bottom of a vessel to the weather deck is called freeboard. B、The depth from water level to the bottom of a vessel is called freeboard. C、The length from the bow to stern of a vessel is called freeboard. D、The height from water level to the main deck is called freeboard.
A、The forward part of a vessel on the starboard side is called starboard quarter. B、The aft part of a vessel on the starboard side is called port quarter. C、The aft part of a vessel on the port side is called port quarter. D、The forward part of a vessel on the port side is called port quarter.
A、When the windlass is in trouble, the sailor must go and call the electrician to repair it. B、When the derrick is in trouble, the sailor must go and call the electrician to repair it. C、When the winch is in trouble, the sailor must go and call the electrician to repair it. D、When the winch is in trouble, the sailor must go and call the carpenter to repair it.
A、Proceed on present course and speed since the vessel is requesting a pilot B、Attempt to call the vessel on VHF radiotelephone and begin a search because the vessel has a man overboard C、Attempt to call the vessel on VHF radiotelephone because it is disabled D、Approach with caution because the vessel is stopped and making no way through the water
A、“Can you avoid using the PC that crashed?” B、“What was the last thing that occurred before the PC had problems?” C、“What were you doing before the PC went down?” D、“What was the last thing you did before the PC crashed?”