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36. 工廠使用之乙炔鋼瓶,為防爆炸,常利用下列何者浸泡? (A)氮氣 (B)氬氣 (C)氖氣 (D)丙酮
問題詳情
36. 工廠使用之乙炔鋼瓶,為防爆炸,常利用下列何者浸泡?
(A)氮氣
(B)氬氣
(C)氖氣
(D)丙酮
參考答案
答案:D
統計:A:24,B:11,C:5,D:563,E:0
難度:非常簡單
上一篇 :
35. 下列有關粉塵爆炸的敘述,何者正確? (A)粒子的直徑愈小,粉塵爆炸的最小發火能量愈低 (B)固體粒子的水份含量愈多,愈易引起粉塵爆炸 (C)粉塵的最小發火能量一般比可燃性氣體小 (D)粉塵若與
下一篇 :
12. 讓兩顆質量不同的彈性球在鉛直面進行一維碰撞運動。一個球較大較重,另外一個球則較小較輕,將小球放置在大球上,如圖八所示,做自由落體運動落下。大小球半徑分別為 R 和 r,質量分別為 M 與 m;
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