The fire extinguishing action of CO₂ comes mostly from （）.

A.quantity of fuel to be received
B.flash point of the fuel as it is received
C.fuel temperature as it is received
D.viscosity of the fuel being received

A.close the static leg filling valve
B.close the overflow tank falling valve
C.reduce the fuel oil pumping rate
D.stop the fuel oil pumping operation

A.The pressure-vacuum relief valve should be reset
B.The tanks should be made seaworthy to prevent contamination
C.The tanks should be sounded to make sure the levels are not rising
D.The tanks should be marked with a bull stamp on the manifold filling valve