单选题Less scale formation occurs in a flash evaporator than in a submerged tube evaporator because （）.Athe distillate produced has greater purityBno boiling occurs on heat transfer surfacesCevaporation occurs at a higher rateDthe incoming feed is at a higher temperature
单选题
Less scale formation occurs in a flash evaporator than in a submerged tube evaporator because （）.
A
the distillate produced has greater purity
B
no boiling occurs on heat transfer surfaces
C
evaporation occurs at a higher rate
D
the incoming feed is at a higher temperature
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