問題詳情
35.Which level of the temperature of scavenging air needs to be maintained to preventcorrosion by condensing acid liquid?
(A)The level above dew point.
(B)The level above flash point.
(C)The level above boiling point.
(D)The level above ambient temperature.
參考答案
答案：A
難度：適中0.535714
統計：A(15),B(7),C(2),D(2),E(0)