問題詳情
77. R-22 冷凍機運轉時，低壓指示 5kgf/cm2 G 可能是指
(A)蒸發器壓力
(B)冷凝器壓力
(C)壓縮機曲軸箱壓力
(D)壓縮機吸入壓力。
(A)蒸發器壓力
(B)冷凝器壓力
(C)壓縮機曲軸箱壓力
(D)壓縮機吸入壓力。
參考答案
無參考答案
內容推薦
- Mozart created some of the most ________ music of all time.(A) enduring(B) insatiable(C) tuning(
- 空調箱之排水管裝置存水彎，其主要目的為(A)排水順暢(B)防止臭氣(C)防止蚊蟲(D)防止堵塞。
- 下列敘述哪些正確？(A)R-134a 凝固點較 R-22 高(B)R-134a 與 R-22 均有色並可燃(C)R-134a 臨界溫度較 R-22 高(D)R-134a 蒸發潛熱較 R-22
- It is said that the pond ___________ a bountiful supply of flounders. This attracts many fisherm
- Jason just heard the news that the company___________ a crew to build a strong ship that will be
- 下列哪些是殼管式冷凝器水側的除垢方法？(A)人工洗刷(B)化學清洗(C)機械清洗(D)增加水流量。
- 一般空調冷卻水系統的配管管材，有下列哪幾種？(A)聚氯乙烯塑膠硬管(B)鑄鐵管(C)鍍鋅鐵管(D)不銹鋼管。
- 下列哪些是往復式冰水主機系統運轉必要保護元件？(A)油壓差開關(B)逆相保護電驛(C)防凍開關(D)低壓開關。
- R-22 冰水機系統加壓探漏用之氣體為(A)氧氣(B)氮氣(C)氨氣(D)壓縮乾燥空氣。
- The decade of the 1980s in Taiwan __________ a continued emphasis on a comprehensive view of Eng
內容推薦
- 螺旋式壓縮機專用冷凍油的功用，下列敘述哪些正確？(A)帶走金屬摩擦表面的金屬磨屑(B)作為控制加洩增減載機構的壓力(C)使摩擦零件的溫度保持在允許的範圍內(D)油膜隔離冷媒壓縮過程的洩漏。
- Alice Freeman, ________________ to head Wellesley College at age 27, is one of the youngest coll
- 半密閉螺旋式冰水主機壓縮機吐出溫度過高，其可能原因為(A)冰水主機噸位太大(B)冷凝器散熱不良(C)負載太大(D)冰水流量太少。
- Crabs, lobsters, and shrimps are all ________ as seafood.(A) categorized(B) demonstrated(C) rela
- ________________________ occasions for congratulations.(A) Birthdays that usually considered(B)
- With oil prices shooting up, the demand for big cars is dwindling. Now compact cars are ________
- Presidential advisers have expressed the idea that South Korea should not content _____ with bei
- Whiskey is a distilled liquor that is much stronger _____.(A) does fermented liquor such as beer
- _____ the country principals and teachers are rethinking their approach to suspensions and expul
- 下列哪些會影響風管表面熱損失的因素？(A)隔熱材質(B)風速高低(C)環境溫度(D)寬高比。
- _____, North America had lost a significant portion of its primary forests.(A) The arrival of ev
- Cloze The greatest scientists are remembered not only for their discoveries, but for their char
- Virginia Woolf was born on January 25, 1882, a descendant of one of Victorian England’s most prestig
- 【題組】(A) exemplified (B) expatiated (C) seminated (D) perforated
- 【題組】(A) was…calumniation (B) followed…nadir (C) came…pinnacle (D) accompanied… zenith
- Ordinary toilet paper is not a problem for 41 . It disintegrates rapidly, after being 42 , into
- 【題組】(A) with (B) for (C) from (D) as
- 【題組】(A) revered (B) impecunious (C) nomad (D) discreet
- 【題組】(A) as if (B) and that (C) within which (D) since
- If you are in a hurry, (A) you may speed. (B) you don't have to obey the traffic rules. (C) y
- 【題組】(A) which (B) where (C) when (D) what
- 【題組】(A) at the cusp of (B) at the center of (C) at the throttle of (D) at the risk of
- 【題組】(A) eureka moment (B) precarious balance (C) litmus test (D) literary juggernaut
- 【題組】(A) self (B) level (C) right (D) place
- 【題組】(A) luminaries (B) sommeliers (C) quacks (D) malingerers