A、sliding bowl bottom
B、bowl hood
C、bowl
D、filter units
更多“The operating water is supplied under the （）of an oil separator.”相关的问题
A、bottom blow the boiler B、treat the water with caustic soda C、treat the water with chemical scavengers D、reduce the water alkalinity to recommended readings
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、natural circulation of the water in the water tube boiler is better than that in the fire tube boiler B、for the same output the water tube boiler will carry less mass of water compared with the fire tube boiler C、the water tube boiler will cost shorter time for steam raising D、the water tube boiler require lower skill in operating and maintaining
A、A.operating the boiler at less than normal water level B、B.installing fins on the firesides of water-tubes C、C.increasing the amount of excess air to the burners D、D.treating the boiler water with chemical oxygen scavengers
A、an overfilled expansion tank B、excess chromate treatment of the jacket water C、a clogged raw water sea suction D、cavitation erosion of the heat exchanger tubes
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