A.ago
B.before
C.ahead
D.front
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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 cetane rating of diesel fuel is an indication of the （）
（） is not installed on the main switchboar.
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Which of the following items don’t belong to dock repair works?（）
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
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
If separating effect is not good, which measure should be taken （）
The main purpose of port State control is not to（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）