你可能感興趣的試題

單項(xiàng)選擇題

Cavitation erosion in the cooling water system of a diesel engine usually occurs at the pump impeller, and on the waterside of the （）

A.fuel nozzle holders
B.exhaust value guides
C.engine cylinder liners
D.low temperature and a low viscosity

單項(xiàng)選擇題

Which of the following factors tends to increase scale formation on the saltwater side of a heat exchanger used in a diesel engine cooling water system?（）

A.Baffle plates that have been bent during prior removal
B.Leaks in the cooler tube nest
C.Operating the engine while maintaining a high sea water outlet temperature
D.A punctured sea water strainer supplying cooling water to the heat exchanger

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