問題詳情

7.Generating tubes in waste heat boilers are beneficial to .
(A)reduce gas flow turbulence
(B)prevent exhaust gas corrosion
(C)increase the rate of combustion
(D)increase the area of heat transfer

參考答案

答案：D
難度：適中0.533333
統計：A(1),B(2),C(4),D(8),E(0)