A、condensate
B、a small amount of make-up feed
C、A and B
D、None of the above
更多“The feed water to the boiler will comprise （）.”相关的问题
A、ensure feed water flow into the boiler B、keep the steam drum pressure high C、prevent water hammer in the feed line D、help the feed water flash to steam
A、high steam pressure in the boiler B、abnormally high feed water temperature C、abnormally high boiler water temperature D、steam demand exceeding feed pump capacity
A、higher than the first stage feed-water temperature and absolute shell pressure B、lower than the first stage feed-water temperature and absolute shell pressure C、the same as the first stage feed-water temperature and absolute shell pressure D、not related to the feed-water temperature and absolute shell pressure
A、feed pump suction line B、hot well C、shell of the feed heater D、feed lines to the boiler
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、the oil feeding is stopped and replaced by admitting flushing water B、the flushing water feeding is stopped and replaced by admitting oil C、the feeding of dirty oil and flushing water is stopped D、the feeding of dirty oil and flushing water is admitted
A、concentrations of calcium sulfate in the boiler water B、fuel oil in the feed water C、improper treatment of the feed water with calcium sulfate D、excessive feed water alkalinity
A、reduce fuel feeding B、increase fuel feeding C、keep original fuel feeding D、be overspeed
A、to decrease scale formation B、for better cooling effect C、for more economical purpose D、to raise vacuum
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