A、A.more harmful to sea life than lighter oils
B、B.easier to clean up than lighter refined oils
C、C.less harmful to sea life than lighter oils
D、D.not a real threat to marine life
更多“Heavy fuel oils when spilled are（）.”相关的问题
A、(1) only is correct B、(2) only is correct C、both (1) and (2) are correct D、neither (1) or (2) are correct
A、reduce fuel weight B、increase specific gravity C、separate fuel from lube oil D、reduce fuel viscosity
A、A.The diesel oil must never be allowed to mix with the heavy fuel B、B.The temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valve C、C.The heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valve D、D.The heating steam must be secured before the diesel oil passes through the three-way valve
A、A.type of fuel transfer pump aboard B、B.temperature of the fuel oil being received C、C.size of the fuel storage tanks ashore D、D.distance from the fuel oil storage tanks ashore
A、change from heavy fuel oil to diesel oil for mail engine B、pumping oil bilge water C、change sea chest form high level one to lower one D、test emergency generator
A、filter to remove the fuel oil B、use the settler to remove the fuel oil C、remove the fuel oil by centrifuging D、drain and then renew the lube oil supply
A、pumped overboard to calm the seas B、drained to the lower hull to reduce free surfaces C、filled to ensure that sufficient fuel oil is available during a lengthy emergency D、partially drained to increase free surfaces in order to reduce motions
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