A、alkale scence
B、acidity
C、salinity
D、impurity
更多“The cooling water of the diesel engine should be treated, because it has（）”相关的问题
A、Cooling water is alkalescence B、cooling water is acidity C、cooling water has salinity D、cooling water has impurity
A、discharge side of the centrifugal pump B、suction side of the centrifugal pump C、the lowest point of the cooling water system D、inlet of the main engine
A、A.cooling water of the cooling system B、B.fuel of the FO system C、C.LO of the LO system D、D.cooling water of the cooling system and LO of the LO system
A、for the release of air from the cooling water B、providing expansion room for heated cooling water C、a place for implementing water and water treatment agent D、all of the above
A、to cut down the amount of cooling water needed B、to prevent an excess amount of cooling water from being discharged to the bilges C、to supply hot water to the evaporator for more economical operation D、None of the above is tree
A、Air will enter the cooling system B、Carbon will plug the water cooled exhaust manifolds C、The jacket water temperature will rise D、The lube oil viscosity will increase
A、Each engine must have its own engine driven cooling water pump capable of providing cooling for all ranges of operation B、propulsion engines with bores exceeding 200 mm are to be fitted with a means to display the cooling water temperature of each cylinder C、At least two independent sea suctions are to be provided for supplying water to the engine jackets or to the heat exchangers D、Suitable strain are to be fitted between the circulating pumps and heat exchangers when sea water is used for direct cooling
A、A.An open vent in the cooling system B、B.A fouled sea chest C、C.A restricted water passage in the engine D、D.Air entrained in the cooling water
A、the temperature of the hydraulic fluid B、the flow rate of the hydraulic fluid C、the temperature of the cooling water D、all of the above
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