Paragraf Tamamlama 43. Soru

Bu Testin Birincisi Bengu

100 %

43.

…………… . The letters have no meaning, but in Morse code the combination has a pronounced rhythm which attracts immediate attention. All ships observe two silence periods every hour, listening on certain frequencies to ensure that any distress signal, however weak, will be picked up.

Letters were sent between various naval bodies on the subject of safety

S.O.S. is the international distress call for use in wireless telegraphy

The word 'Mayday,' is derived from the French and means 'Help me'

Distress signals are sent on 500-metre or 2000-metre wavelength

Sailors of all nationalities agree they will help anyone in trouble at sea

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