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
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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
A.increasing refrigerant pressure in the coil
B.increasing chilled water flow through the cooler
C.sub-cooling the refrigerant in the condenser
D.superheating the refrigerant in the compressor
最新試題
The ISPS Code consists of a mandatory section-Part A, which shows（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Which of the following items don’t belong to dock repair works?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Under MARPOL Code the ship to which it applies has to carry （）
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
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.