The highest point on your towboat is 57 feet...

Question 1 / 2066636eea28f7522a1c51b33c

Question 1 of 2066636eea28f7522a1c51b33c

The highest point on your towboat is 57 feet above the water, and the Memphis Gage reads +1.3 feet. What is the vertical clearance when you pass under the Memphis Highway Bridge in Memphis?

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Question 1 of 20

66636eea28f7522a1c51b33c

The highest point on your towboat is 57 feet above the water, and the Memphis Gage reads +1.3 feet. What is the vertical clearance when you pass under the Memphis Highway Bridge in Memphis?

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🔍 Key Concepts

• Bridge vertical clearance on river charts is usually referenced to a specific stage or gage reading (often zero or a stated stage) • You must adjust bridge clearance based on the actual Memphis Gage reading compared to the reference stage • Compare your towboat’s air draft (57 ft) to the computed bridge clearance to see what the actual clearance above your highest point would be

💭 Think About

• What does the charted vertical clearance of the Memphis Highway Bridge represent, and to what river stage or gage reading is it referenced? • If the river is higher than the reference stage by +1.3 ft, does that increase or decrease the clearance under the bridge, and by how much? • Once you adjust the bridge’s charted clearance for the +1.3 ft gage reading, what is the remaining clearance between the bottom of the bridge and your 57‑ft highest point?

✅ Before You Answer

• Be sure you know the reference clearance of the Memphis Highway Bridge at the standard stage used for that chart/problem • Carefully apply the sign of the +1.3 ft gage reading: higher river level means less clearance, not more • After adjusting the bridge clearance for river stage, subtract your 57‑ft air draft and see which choice matches the remaining clearance above your towboat

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Question 1 of 20

The highest point on your towboat is 57 feet above the water, and the Memphis Gage reads +1.3 feet. What is the vertical clearance when you pass under the Memphis Highway Bridge in Memphis?

54.6 feet

51.8 feet

112.7 feet

55.7 feet

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Question 1 / 2066636eea28f7522a1c51b33c

Question 1 of 2066636eea28f7522a1c51b33c

The highest point on your towboat is 57 feet above the water, and the Memphis Gage reads +1.3 feet. What is the vertical clearance when you pass under the Memphis Highway Bridge in Memphis?

Back

Question 1 of 20

66636eea28f7522a1c51b33c

The highest point on your towboat is 57 feet above the water, and the Memphis Gage reads +1.3 feet. What is the vertical clearance when you pass under the Memphis Highway Bridge in Memphis?

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