A.ago
B.before
C.ahead
D.front
您可能感興趣的試卷
你可能感興趣的試題
A.excessive loads are placed on the winch
B.minimum pull is being exerted by the winch
C.automatic operation of the winch is desired
D.wire is being retrieved at the maximum rate
A.less internal corrosion because of lower brine density
B.higher temperature evaporation for lower salinity of the distillate produced
C.less scale formation in a flash evaporator
D.less feed-water required for a flash evaporator
A.clarifier
B.oil/water separator
C.incinerator
D.distiller
A.booster pump
B.evaporator
C.incinerator
D.cooler
A.wax precipitation in the lube oil
B.contamination by dust, scale, or moisture
C.refrigerant bubbles in the lube oil
D.refrigerant reducing the lube oil viscosity
最新試題
The shipboard oil pollution emergency plan will be invalid after （）
The treatment of the fuel oils involves storage, heating, filtering and（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
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.
Under MARPOL Code the ship to which it applies has to carry （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）