If your vessel burns 8 tons of fuel per hour...

Question 1 / 205eccef9dbacbc34ba4d45dce

Question 1 of 205eccef9dbacbc34ba4d45dce

If your vessel burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 22 knots?

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Question 1 of 20

5eccef9dbacbc34ba4d45dce

If your vessel burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 22 knots?

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🔍 Key Concepts

• Fuel consumption vs. speed and how they are related on many exam problems • The idea that required power (and thus fuel burn) often changes with the cube of the speed for displacement vessels • Setting up a ratio or proportion using the known condition to find the unknown condition

💭 Think About

• Ask yourself: if fuel burn is proportional to the cube of the speed, what equation can I write using the two speeds (15 and 22 knots)? • How can you use a ratio like (New fuel rate / Old fuel rate) = (New speed / Old speed)^3 to scale from 8 tons/hour at 15 knots to the new fuel rate at 22 knots? • After calculating the theoretical fuel burn at 22 knots, which answer choice is closest to your computed value?

✅ Before You Answer

• Be sure you’re using knots (speed), not distance, in your power/fuel ratio • Confirm you are raising the speed ratio to the correct power (not just squaring it or using it directly) • Double‑check your calculator steps and make sure the final number’s size makes sense: the fuel consumption should increase significantly from 15 to 22 knots, not just a tiny amount

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Question 1 of 20

If your vessel burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 22 knots?

11.7 tons

17.2 tons

14.2 tons

25.2 tons

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Question 1 / 205eccef9dbacbc34ba4d45dce

Question 1 of 205eccef9dbacbc34ba4d45dce

If your vessel burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 22 knots?

Back

Question 1 of 20

5eccef9dbacbc34ba4d45dce

If your vessel burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 22 knots?

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