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- Q127 - Navigation Problems: Oceans
436. You are steaming at 19 knots and burning 440 barrels of fuel per day. You must decrease your consumption to 137 barrels per day. What must you reduce your speed to in order to burn this amount of fuel?
Fuel consumption for displacement vessels is proportional to the cube of the speed; therefore, reducing fuel from 440 to 137 barrels per day requires reducing speed from 19 knots to approximately 12.9 knots.
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