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单选题
When you are transferring fuel oil to the setting tanks, precautions to be observed should include （）
A
plugging gooseneck tank vents to prevent accident overflow
B
maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line
C
sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill
D
maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship
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更多 “单选题When you are transferring fuel oil to the setting tanks, precautions to be observed should include （）A plugging gooseneck tank vents to prevent accident overflowB maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow lineC sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fillD maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship” 相关考题
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close the static leg filling valveB
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The Pre-Block ACL is overwritten when a blockingaction is initiatied by the sensorB
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考题
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单选题Why is it important for fuel oil tanks not to be topped off at the inner bottom level when loading on a cold day?（）A
Increased viscosity of the product needs higher loading pressure, which increases the chances of a spillB
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单选题When you notice oil on the water near your vessel while taking on fuel, you should FIRST （）.A
stop loadingB
notify the senior deck officerC
notify the terminal superintendentD
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setting tanksB
service tanksC
tanksD
drain tanks
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单选题When running a large, low-speed, main propulsion diesel engine on heavy fuel, which of the following precautions should be observed when switching back over to diesel oil?（）A
The diesel oil must never be allowed to mix with the heavy fuelB
The temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valveC
The heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valveD
The heating steam must be secured before the diesel oil passes through the three-way valve
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