A short blast has a duration of how many seconds?

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Multiple Choice

A short blast has a duration of how many seconds?

Explanation:
A short blast is a brief, quick signal lasting about one second. In maritime signaling, the length of the sound distinguishes it from a prolonged blast, which is much longer (typically around 4–6 seconds). The one-second duration is chosen so the signal is clearly heard and can be repeated if needed without becoming a long, continuous noise. So, among common options, one second best matches the standard for a short blast.

A short blast is a brief, quick signal lasting about one second. In maritime signaling, the length of the sound distinguishes it from a prolonged blast, which is much longer (typically around 4–6 seconds). The one-second duration is chosen so the signal is clearly heard and can be repeated if needed without becoming a long, continuous noise. So, among common options, one second best matches the standard for a short blast.

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