問題詳情
37.What is required on high temperature piping to limit the surface temperature for personnelprotection, reduce the heat loss from the system, or prevent objectionable heat gain inenclosed spaces?
(A)Orifice
(B)Connecting-joint
(C)Ventilation
(D)Insulation
參考答案
答案：D
難度：適中0.425197
統計：A(16),B(28),C(24),D(54),E(0)