On which of the following heated surfaces of a flash type evaporator would you be more likely to find soft scale formation?（）<br>A:Feed-water heater internal tube surfaces<br>B:Internal distillate cooler tubes<br>C:Flash chamber vertical surfaces<br>D:Distilling condenser tubes

On which of the following heated surfaces of a flash type evaporator would you be more likely to find soft scale formation?（）
A:Feed-water heater internal tube surfaces
B:Internal distillate cooler tubes
C:Flash chamber vertical surfaces
D:Distilling condenser tubes

出自：海船船员证

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