A.14 percent
B.15 percent
C.16 percent
D.17 percent
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A.mineral oil
B.machinery oil being transferred for shipboard use
C.crude oil unrefined
D.normal bilge oil and water
A.discharging ashore into the sewer system
B.sealing in disposable plastic barrels aboard ship
C.discharging into a shore tank or stop barge
D.dumping into the ship’s bunker tanks
A.water
B.dry chemical
C.foam
D.CO2
A.foam and water
B.CO2 and dry chemical
C.dry chemical and water
D.foam and CO2
A.turning it upside down
B.pressing the foam lever
C.squeezing the grip handle
D.opening the hose valve
最新試題
Using a file without a handle may result in （）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
Which of the following items don’t belong to dock repair works?（）
Diesel engine air start system check valves are opened by （）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish