Engine 2014: General Subjects

Question 508 of 3,524

If your ship burns 4 tons of fuel per hour at 21 knots, how many tons per hour will it burn at 16 knots?

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More General Subjects questions

#506 If your ship burns 2.9 tons of fuel per hour at 20 knots, how many tons per hour will it burn at 15 knots?
#507 If your ship burns 3 tons of fuel per hour at 19 knots, how many tons per hour will it burn at 15 knots?
#509 If your ship burns 5 tons of fuel per hour at 23 knots, how many tons per hour will it burn at 18 knots?
#510 If your ship burns 6 tons of fuel per hour at 22 knots, how many tons per hour will it burn at 17 knots?
#511 If your ship burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 18 knots?

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Comments from mariners who studied this question.

ma mannylittle5 · Apr 26, 2019

Use the formula:- F = S/3 x f Ã· s/3
F = new fuel consumption
S = new speed
f = old fuel consumption
s = old speed
16x16x16 x 4 /(21x21x21)
4096 x 4 / 9261=
16384 / 9261 =1.769139401792463