单选题Which of the following statements is correct concerning diesel engine cooling water systems?（）AEach engine must have its own engine driven cooling water pump capable of providing cooling for all ranges of operationBpropulsion engines with bores exceeding 200 mm are to be fitted with a means to display the cooling water temperature of each cylinderCAt least two independent sea suctions are to be provided for supplying water to the engine jackets or to the heat exchangersDSuitable strain are to be fitted between the circulating pumps and heat exchangers when sea water is used for direct cooling
单选题
Which of the following statements is correct concerning diesel engine cooling water systems?（）
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
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