While steaming at 12 knots, your vessel...

Question 1 / 2066636eea28f7522a1c51b60d

Question 1 of 2066636eea28f7522a1c51b60d

While steaming at 12 knots, your vessel burns 45 tons of fuel per day. What will be the rate of fuel consumption if you decrease speed to 11.5 knots?

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Question 1 of 20

66636eea28f7522a1c51b60d

While steaming at 12 knots, your vessel burns 45 tons of fuel per day. What will be the rate of fuel consumption if you decrease speed to 11.5 knots?

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🔍 Key Concepts

• Relationship between speed and fuel consumption (approximately proportional to the cube of speed for many displacement vessels) • Setting up a ratio/proportion between old and new fuel consumption using speeds • Converting the relationship into an equation to solve for new tons/day

💭 Think About

• How does fuel consumption change when speed changes slightly—does it change linearly with speed, or faster/slower than that? • Can you express the new fuel consumption as: old consumption × (new speed ÷ old speed) raised to some power? • Once you find the factor by which fuel use changes, which choice is closest to the adjusted value?

✅ Before You Answer

• Be clear what stays constant (same vessel, same conditions) and what changes (only speed). • Make sure you use the same units for both speeds (knots) and both consumptions (tons/day). • After calculating, check whether the new fuel consumption should be slightly less than 45 tons/day, not drastically different.

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Question 1 of 20

While steaming at 12 knots, your vessel burns 45 tons of fuel per day. What will be the rate of fuel consumption if you decrease speed to 11.5 knots?

36 tons/day

31 tons/day

43 tons/day

40 tons/day

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Question 1 / 2066636eea28f7522a1c51b60d

Question 1 of 2066636eea28f7522a1c51b60d

While steaming at 12 knots, your vessel burns 45 tons of fuel per day. What will be the rate of fuel consumption if you decrease speed to 11.5 knots?

Back

Question 1 of 20

66636eea28f7522a1c51b60d

While steaming at 12 knots, your vessel burns 45 tons of fuel per day. What will be the rate of fuel consumption if you decrease speed to 11.5 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