Reduce Fuel Consumption at Maximum Speed
While steaming at 15.0 knots, your vessel consumes 326 barrels of fuel oil per day. In order to reduce consumption to 178 barrels of fuel oil per day, what is the maximum speed the vessel can turn for?
A. 8.1 knots
B. 8.5 knots
C.11.1 knots
D.12.3 knots
15kt 2nd x3 = 3375 x 178 = 600750 divided by 326 = 1842.791411
On your calculator you should have [square root key]. Punch in 1842.791411. Then hit your square root key. You should get 12.26 knots or round off 12.3
ANSWER ''D''
