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
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The main purpose of port State control is not to（）
To proceed to the assistance of a ship in distress is（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which of the following items don’t belong to dock repair works?（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）