下圖是某一控制系統中啟動部份，其中包括兩個按鈕開關及一個選擇開關。下列各種說明何者正確？ (A) 開關b 控制連續循環與停止連續循環選擇(B) 開關c 控制停止連續循環(C) 開關a 控制單一循環啟

問題詳情

下圖是某一控制系統中啟動部份，其中包括兩個按鈕開關及一個選擇開關。下列各種說明何者正確？
(A) 開關b 控制連續循環與停止連續循環選擇
(B) 開關c 控制停止連續循環
(C) 開關a 控制單一循環啟動、開關b 控制連續啟動
(D) 開關b 控制啟動與停止之選擇。

參考答案

答案：B
難度：適中0.538462
統計：A(3),B(7),C(1),D(1),E(0)

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