As you pass under the Natchez-Vidalia Dual...

Question 1 / 2066636eea28f7522a1c51b453

Question 1 of 2066636eea28f7522a1c51b453

As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads +3.6 feet. If the highest point on your vessel is 62 ft. above the water, what is your vertical clearance?

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Question 1 of 20

66636eea28f7522a1c51b453

As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads +3.6 feet. If the highest point on your vessel is 62 ft. above the water, what is your vertical clearance?

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🔍 Key Concepts

• How a bridge gage is used to find available clearance under a bridge • Relationship between the gage reading, the charted clearance, and the air draft (height of the vessel) • Basic subtraction to find vertical clearance between the top of your vessel and the lowest part of the bridge

💭 Think About

• Ask yourself: Does a positive gage reading mean the water is higher or lower than the reference level for the charted clearance? • Think about whether you should add or subtract the gage reading from the bridge’s normal clearance to get the actual clearance at this moment. • Once you know the actual clearance under the bridge, what simple calculation gives you the space left between the top of your vessel and the bridge?

✅ Before You Answer

• Be clear on what the +3.6 ft gage reading is telling you about water level compared to normal pool or reference level. • Confirm whether the bridge’s standard (charted) clearance is implied or needs to be inferred from the answer choices and the vessel height. • Double-check that your final step is (clearance under bridge) minus (vessel height), not the other way around.

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Question 1 of 20

As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads +3.6 feet. If the highest point on your vessel is 62 ft. above the water, what is your vertical clearance?

60.4 feet

63.6 feet

67.6 feet

122.0 feet

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Question 1 / 2066636eea28f7522a1c51b453

Question 1 of 2066636eea28f7522a1c51b453

As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads +3.6 feet. If the highest point on your vessel is 62 ft. above the water, what is your vertical clearance?

Back

Question 1 of 20

66636eea28f7522a1c51b453

As you pass under the Natchez-Vidalia Dual Bridge, the gage on the bridge reads +3.6 feet. If the highest point on your vessel is 62 ft. above the water, what is your vertical clearance?

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