問題詳情

25. Which valve is used to relieve excess pressure in all pressure vesselsincluding evaporator and in steam lines?
(A) Relief valve
(B) Gate valve
(C) Butterfly valve
(D) Angle valve

參考答案

答案：A
難度：簡單0.821429
統計：A(23),B(4),C(0),D(0),E(0)