資訊推薦

• 36. 下列何種材料其切削性最佳？(A)鋁 (B)鑄鐵(C)低碳鋼 (D)合金鋼
• 37. 在管路系統中，排氣閥通常安裝在管路系統何處？(A)管路轉彎處 (B)管路最高點(C)管路最低點 (D)管路分接處
• 38. 兩個直徑大小不同的齒輪嚙合在一起轉動，已知大齒輪齒數為24，小齒輪齒數8，則大齒輪轉一圈，小齒輪轉幾圈？(A)一圈 (B)二圈 (C)三圈 (D)四圈
• 40. 使用在蒸氣或氣體產生設備上，以確保壓力容器及配管的安全，必須安裝下列何種閥？(A)排氣閥 (B)減壓閥 (C)止回閥 (D)安全閥
• 41. 旋轉類機械保養時，首要工作是下列何者？(A)做好接地 (B)切斷電源 (C)降低電壓 (D)帶好手套
• 42. 為防止管路流體逆流，必須裝置下列何種閥？(A)閘閥 (B)減壓閥 (C)逆止閥 (D)安全閥
• 43. 下列何者不是泵浦的規格？(A)電流 (B)最高揚程 (C)口徑 (D)最大水量
• 39. 下列何者沒有單位？(A)密度 (B)比重 (C)導電度 (D)導熱度
• 44. 下列何種油品最常使用於清洗機件表面油汙？(A)黃油 (B)潤滑油 (C)柴油 (D)機油
• 45. 在機械接頭接合中，要確認各螺栓是否鎖緊，必須使用下列何種扳手？(A)棘輪扳手 (B)扭力扳手 (C)梅花扳手 (D)六角扳手
• 46. 下列何者屬於傳統加工方法？(A)超音波加工 (B)電化加工 (C)放電加工 (D)車床加工
• 47. 下列何者不是機械材料連結加工方法？(A)銲接 (B)鉚接 (C)鑄造 (D)螺紋接合
• 48. 陽極氧化處理，不適宜作下列何種金屬防鏽？(A)銅金屬 (B)鋁金屬 (C)鎂金屬 (D)鈦金屬
• 49. 欲將輸氣管固定在管架上，最適宜的固定物為下列何者？(A)C型螺栓 (B)L型螺栓 (C)U形螺栓 (D)管束
• 50. 金屬材料塗裝時，塗抹底漆的目的為何？(A)防止銹蝕(B)填補金屬表面的不平(C)增加塗裝後的美觀(D)增加塗裝的速度
• 5. Using examples from numerous _____ - such as fiction, poetry, advertisements and newspapers - thi
• 2. A poor diet, which affects children by _____ their development, can have long-term consequences.(
• 3. Parents need to _____ that their children are properly cared for at whatever daycare they use.(A)
• 4. The city is known for its _____ nightlife, towering high-rises, network of skywalks, and being th
• 6. During the road trip, they made a _____ decision to take a detour and explore a hidden waterfall.
• 8. A hiker reappears 14 hours after falling off mountainside. Rescue workers said he was lucky that
• 7. Schools are facing difficulties in providing nutritious lunches to their students _____ soaring c
• 11. Lohan was sentenced to 90 days for violating her _____ but caught a big break when officials sai
• 9. The highly ____ musical production has been called “one of the most successful stage shows of all
• 13. Because the country government plans to build a 60-meter-wide avenue along the course of the rai