A List of Lights entry (L Fl) is a single...

Question 1 / 2066636ee928f7522a1c519af9

Question 1 of 2066636ee928f7522a1c519af9

A List of Lights entry (L Fl) is a single flashing light which shows a long flash of not less than which duration?

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Question 1 of 20

66636ee928f7522a1c519af9

A List of Lights entry (L Fl) is a single flashing light which shows a long flash of not less than which duration?

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🔍 Key Concepts

• Light characteristics notation in List of Lights (Fl, L Fl, Oc, Iso, etc.) • Definition of a long flash in standard light terminology • Difference between a flash and a long flash based on duration

💭 Think About

• Look up or recall the formal definition of a long flash used in aids to navigation references, not just what "seems" long. • Compare the minimum time threshold that separates an ordinary flash from a long flash. • Think about whether the standard uses a round, easy-to-remember value (like whole seconds) and how that affects which options are too short.

✅ Before You Answer

• Verify the definition of L Fl (long flashing) in a reliable reference such as the Light List or an exam formula sheet. • Check that the duration is defined as not less than a specific time; focus on that minimum threshold when choosing. • Eliminate any options that are clearly below the recognized minimum duration for a long flash.

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Question 1 of 20

A List of Lights entry (L Fl) is a single flashing light which shows a long flash of not less than which duration?

1.0 second duration

1.5 seconds duration

2.0 seconds duration

3.0 seconds duration

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Question 1 / 2066636ee928f7522a1c519af9

Question 1 of 2066636ee928f7522a1c519af9

A List of Lights entry (L Fl) is a single flashing light which shows a long flash of not less than which duration?

Back

Question 1 of 20

66636ee928f7522a1c519af9

A List of Lights entry (L Fl) is a single flashing light which shows a long flash of not less than which duration?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed