問題詳情
50. 活線作業中，工作人員的背面儘量
(A)接觸
(B)接近
(C)少許接近
(D)離開 活線。
(A)接觸
(B)接近
(C)少許接近
(D)離開 活線。
參考答案
答案：D
難度：非常簡單1
統計：A(0),B(0),C(0),D(6),E(0)
內容推薦
- 活線掩蔽高壓裝腳礙子，適用之橡皮工具是 (A)跳線管(B)橡皮線管(C)橡皮肩套(D)橡皮毯或礙子套。
- 掩蔽接近活線之輕鋼橫擔或木橫擔，最適宜之橡皮工具為 (A)礙子套(B)開關套(C)橡皮毯(D)橡皮線管。
- CT 表示 (A)比流器(B)比壓器(C)桿上變壓器(D)電壓調整器。
- 雇主對高壓用電設備絕緣情形、接地電阻及其他安全設備狀況，應每： (A)二年(B)一年(C)半年(D)三個月 定期實施檢查一次。
- 以 0.100 M NaOH(aq)滴定0 mL 0.100 M H3PO4(aq)的滴定曲線圖如右：估算 H3PO4的pKa2值為何？ (A)2(B)8(C)8(D)
- 測定變壓器絕緣電阻，需用 (A)250V(B)500V(C)750V(D)1000V 高阻計。
- Many people took to the street to show their dissatisfaction and anger toward the government.(A)
- 活線作業時橡皮工具的傳送以 (A)通索捆綁(B)直接往上拋(C)專用帆布袋(D)任何方式 傳送。
- The world mourned the death of Nelson Mandela, South Africa’s former president, who promoted the
- 活線作業中，桿下人員以連環繩將材料送至接近桿上工作人員時，速度要 (A)加快(B)保持原速(C)緩慢(D)突然停止。
內容推薦
- 桿上變壓器一次側之過電流保護採用 (A)避雷器(B)熔絲鏈開關(C)分段開關(D)空斷開關。
- 勞工安全衛生訓練最主要的目的在： (A)防止職業災害之發生(B)提高勞工工作技能(C)增加雇主的產量(D)防止勞工與雇主的無謂紛爭。
- Undeniably, parents as well as teachers have a great effect on their children and students respec
- 鋁線接續採用 (A)紮接(B)夾接(C)壓接(D)扭接 較佳。
- 使用橡皮肩套時袖口部份應與橡皮手套袖口 (A)重疊(B)分開(C)相接(D)分開二吋。
- 下列何者非有害物質進入人體之途徑﹖ (A)吸入(B)食物(C)皮膚(D)熬夜。
- 若將 (30875)10轉成二進位其結果為下列何者?(A) 10010110(B) 1010110(C) 1000101(D) 10010110101
- Though Nick Vujicic was born without hands and legs, his optimism inspired readers around the glo
- 勞工安全衛生委員之設置，依法規定至少： (A)二人(B)三人(C)五人(D)七人 以上。
- 變壓器的電壓比係指 (A)線圈大小之比(B)線圈電阻之比(C)線圈阻抗之比(D)線圈匝數之比。
- The passer-by could hardly move and was seriously hurt after he was hit by a truck.(A) occasional
- China successfully _____ the first satellite into the space in 2012 and became the third country
- The parent _____ and scolded his child for failing the exam when receiving the report card.(A) g
- The artist suffered from both physical and ____ problems so that he lost his will to live.(A) me
- Diligence doesn’t guarantee success, but it’s the only way to success. As long as you keep striv
- 溫度升高時，變壓器絕緣電阻會 (A)降低(B)昇高(C)不變(D)有時大有時小。
- Guest: Excuse me, this is room 90Could you do me a favor?Desk clerk: What seems to be the pro
- 單相三線 110/220V 供電，若負載不平衡，則負載較小之端電壓 (A)較低(B)較高(C)不變(D)時高時低。
- Due to the peak season of tourism, many hotel rooms and plane tickets have been ______ without a
- Tina: Hello! May I talk to the marketing director, Mr. Walter?Cynthia: Sorry, he is not in right
- 在相同條件下，電壓愈高則線路損失 (A)愈大(B)愈小(C)不變(D)時大時小。
- 變壓器鐵損在滿載時為 W1，無載時為 W2，則 (A)W1＞W2(B)W1＜W2(C)W1＝W2(D)W12＞W22。
- ▲下篇短文共有 5 個空格，為第 36 至 40 題，請依短文文意，選出一個最適合該空格的答案。 The representative word of year 2012 in Taiwan w
- The ozone layer ______ all the animals and plants on earth from the direct UV radiation from the
- Teresa: Have you finished your paper yet?Michael: Oh, yes. It is far from being satisfactory, th