問題詳情

27. Strainers should be provided with what indicators to provide warning of the necessity forcleaning the strainers？
(A) pressure-drop
(B) temperature-drop
(C) reverse-flow
(D) overflow

參考答案

答案：A
難度：非常簡單1
統計：A(1),B(0),C(0),D(0),E(0)