9. 冷凍系統的安全裝置中，高壓切斷開關安裝於何處？ (A) 壓縮機出口 (B) 冷凝器出口 (C) 膨脹閥出口 (D) 蒸發器出口

9. 冷凍系統的安全裝置中，高壓切斷開關安裝於何處？
(A) 壓縮機出口
(B) 冷凝器出口
(C) 膨脹閥出口
(D) 蒸發器出口

答案：登入後查看
統計： A(339), B(26), C(55), D(13), E(0) #1512171

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林小成

2025/08/16

私人筆記#7392046

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高壓切斷開關要監測系統高壓側（頭壓），最...

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39. Check valves must be provided on pump suctions to prevent pumping through the standby pump to the sump. Pump isolating valves should be provided to permit underway repair of either pump. Based on these descriptions, which is the correct statement？ (A) The isolating valves must be non-return valves. (B) The check valve also needs to be positioned at the pump exit in order to improve the pumping efficiency. (C) The check valve allocated on pump suctions permits no flow from the idle pump into the sump. (D) The check valve allocated on pump suctions permits the isolation of the running and standby pumps so that the isolating valves could be ignored for the emergency operation.

9. 冷凍系統的安全裝置中，高壓切斷開關安裝於何處？
(A) 壓縮機出口
(B) 冷凝器出口
(C) 膨脹閥出口
(D) 蒸發器出口

私人筆記 (共 1 筆)

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