資訊推薦

• 38. 壓縮比增加則容積效率 (A)不變 (B)增加 (C)降低 (D)不一定 。
• 39. 冷凍循環系統中含有不凝結氣體時，則 (A)效果增強 (B)回流管結霜 (C)低壓偏低 (D)高壓偏高
• 40. R-134a 與 R-22 之膨脹閥是______相互替代使用。(A)可以 (B)不可以 (C)部分可以 (D)視壓縮機而定
• 41. 液管發生閃變時，通過蒸發器之冷媒量會________，而使冷凍能力降低。(A)增加 (B)減少 (C)不變 (D)不一定
• 42. 熵的 SI 制單位? (A)kJ\/kg-K (B)kJ\/kg-℃ (C)kJ\/kg (D)kJ\/h 。
• 43. 蒸發器太髒會使冷凍效果 (A)增加 (B)減少 (C)不一定 (D)不變 。
• 44. 充填冷媒時，若工作皮管內部空氣未排除，可能會造成 (A)高壓過低 (B)高壓過高 (C)電流降低 (D)不影響
• 45. 形態改變而溫度不變之熱量變化即為 (A)潛熱 (B)顯熱 (C)比熱 (D)焓 。
• 46. 壓縮機失油之可能原因？ (A)冷媒過多 (B)冷凍油槽油溫度太低 (C)冷凍油過多 (D)冷凍油槽油溫度太高
• 47. 冷凝器中若有空氣時，將使壓縮機吐出溫度 (A)較正常為高 (B)較正常為低 (C)偶而會高偶而會低 (D)與正常溫度一樣 。
• 48. 冷凍循環系統中有不凝結氣體存在時，容易積存在 (A)壓縮機 (B)油分離器 (C)蒸發器 (D)冷凝器 。
• 49. 電冰箱在高壓出液管之過冷度太大代表 (A)冷媒太多 (B)冷媒太少 (C)系統中有空氣 (D)系統中有水份
• 50. 冷凍循環系統的過程為 (A)冷凝→膨脹→蒸發→壓縮 (B)冷凝→壓縮→膨脹→蒸發 (C)壓縮→膨脹→冷凝→蒸發 (D)蒸發→膨脹→冷凝→壓縮
• 102. 空調機壓縮機長時間運轉不停機，較可能之異常原因為 (A)電源電壓太低 (B)冷凝器散熱不良 (C)電源電壓太高 (D)溫控器故障 。
• 2. The politician’s ________ answers during the press conference only served to confuse the public f
• 3. The ________ nature of the sunset, with its brilliant hues fading quickly into twilight, left a l
• 4. Her explanation was so ________ that many in the audience were left more puzzled than before, una
• 5. The company’s decision to relocate was seen as ________, focusing on long-term benefits and susta
• 6. The committee was disbanded after the chairperson attempted to _______ all decision-making power,
• 7. To protect the community from the flu, the clinic held a free event to _______ residents, ensurin
• 8. The artist tried to _______ the graffiti from the wall, but the faint traces of paint remained, b
• 9. In spite of the project’s _______ nature, Jenna pursued her dream of building a sustainable city
• 10. The elephant moved _______ through the dense jungle, with its massive frame swaying with each de
• 11. (A) diminutive (B) evocative (C) deflated (D) obstreperous
• 12. (A) ratifies (B) obviates (C) posits (D) relinquishes