When operated over a muddy bottom, a...

Question 1 / 2066636ee928f7522a1c519d8d

Question 1 of 2066636ee928f7522a1c519d8d

When operated over a muddy bottom, a fathometer may indicate which of the following?

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Question 1 of 20

66636ee928f7522a1c519d8d

When operated over a muddy bottom, a fathometer may indicate which of the following?

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🔍 Key Concepts

• Fathometer (echo sounder) operation—how sound pulses reflect off different types of seabeds • Differences between soft bottom (mud/silt) and hard bottom (rock/sand) echoes • How multiple or weak echoes might appear on the depth display

💭 Think About

• Think about what happens to a sound pulse when it hits a very soft, absorbent bottom like mud—does it bounce back strongly, weakly, or possibly in more than one layer? • Consider which choice best matches a situation where the sound energy penetrates into the bottom instead of reflecting sharply from a hard surface. • Which answer would you expect if the fathometer is still working correctly, but the bottom type is causing an unusual echo behavior?

✅ Before You Answer

• Verify how soft, muddy bottoms affect the strength and clarity of the returned echo compared with hard bottoms. • Consider whether a complete loss of reading is likely if the transducer and electronics are functioning normally, even over mud. • Ask yourself if a double or split echo can occur when the sound pulse interacts with layers in a soft bottom like mud.

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Question 1 of 20

When operated over a muddy bottom, a fathometer may indicate which of the following?

Two depth readings

A zero-depth reading

A shallow depth reading

No depth reading

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Question 1 / 2066636ee928f7522a1c519d8d

Question 1 of 2066636ee928f7522a1c519d8d

When operated over a muddy bottom, a fathometer may indicate which of the following?

Back

Question 1 of 20

66636ee928f7522a1c519d8d

When operated over a muddy bottom, a fathometer may indicate which of the following?

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