問題詳情
31. 沸水式核電廠 (BWR) 之主蒸氣隔離閥 (Main Steam Isolation Valve, MSIV) 在接受隔離信號後，必須在 3 ~ 4.5 秒關閉，以下何者為時間上限 (4.5 秒) 考慮的原因？
(A)對爐心之衝擊較大
(B)有放射性物質洩漏至周圍環境之虞
(C)避免閥座受損
(D)在動力尚未喪失前完成關閉動作
(A)對爐心之衝擊較大
(B)有放射性物質洩漏至周圍環境之虞
(C)避免閥座受損
(D)在動力尚未喪失前完成關閉動作
參考答案
答案：B
難度：非常困難0
統計：A(1),B(0),C(0),D(0),E(0)
內容推薦
- 發電機執行停機大修時，發電機內部氣體系統 (Gas System) 在設備開始拆檢前之氣體置換標準程序為何？(A)以空氣置換發電機內部氫氣，再以二氧化碳置換空氣(B)以二氧化碳置換發電機內部氫
- Andy: Who’s that beautiful woman on your Facebook? She’s so hot! Can you introduce her to me?Robe
- 某一原子核之物理半衰期為 12 天，生物半衰期為 3 天，則其有效半衰期為下列何者？(A) 4 天 (B) 5 天 (C) 0 天 (D) 5 天
- ( ) 執行下列Visual Basic程式片段後，Y的值為何？ (A)0 (B)6 (C)4 (D)-4
- 離心水泵以下列參數運轉：轉速= 1,500 rpm、電流= 40 amps、水泵水頭= 20 psi、水泵流量= 400gpm。如果水泵轉速降低至 1,000 rpm，下列何者為水泵水頭和電流
- Peter: I think _____.Dora: Oh, really? How do you know?Peter: I can tell from her face.Dora: Yeah
- 一條長度為 1 公尺，半徑為 0.5mm 的鎳鉻絲，兩端接上電動勢為 5 伏特的理想電池，則電路上的電流約為何？(設此時鎳鉻絲的電阻率為 2x10-6Ω.m)(A)0.3 (B)0.45 (
- 在一核分裂的過程中，下列何者占釋放能量的最大百分比？(A)瞬發中子的動能 (B)瞬發加馬的能量 (C)延遲中子的動能 (D)分裂碎片的動能
- 附圖為日本統治期間臺灣發電設施之設備容量變化圖。請問：使1930年代設備容量急遽增加的設施為何？ (A)恆春的核能發電廠 (B)高雄的火力發電廠 (C)日月潭水力發電廠 (D)大甲溪水力發電廠
- 有關壓水式核電廠 (PWR) 之蒸汽產生器出口噴嘴裝有文氏管型的流量限制器，下列敘述何者有誤？(A)於額定蒸汽流量時，減少蒸汽壓力降(B)當流量限制器下游蒸汽管路破裂時，減低由主蒸汽隔離閥所必
內容推薦
- 沸水式核電廠 (BWR) 反應爐之汽水分離器外的水位過高時，汽水分離器內的排水會較差，將造成下列何種影響？(A)蒸汽潛挾 (Steam Carryunder) (B)水份騰帶 (Moistur
- Fanny: What are you doing, Adam? You shouldn’t use your phone in class.Adam: _____ I have to read
- Clerk: Good evening. What can I do for you?Andy: Oh! _____Clerk: I see. Take your time. Please le
- Janet: What do you think about this dress, Amy?Amy: _____ Plus, there is a 20% discount now. It’s
- Mandy: I’m not sure if the dress will look good on me. _____Clerk: Of course. The fitting room is
- The African violet, a type of flowering plant, is easy _____.(A) to take care (B) to take care of
- Rebecca: How much is this purple sweater?Clerk: It’s NT$3Rebecca: _____Clerk: I’m afraid not.
- (A) for (B) to (C) as (D) with
- _____ more books, and you will be more knowledgeable.(A) Read (B) Reading (C) Reads (D) To read
- The clothes we wear may influence how we feel about ourselves and how we behave. One example can be
- Cashier: Your total is NT$1,0Customer: _____Cashier: Yes, ma’am. The total comes down to NT$99
- (A) to (B) of (C) with (D) for
- The chief engineer _____ relieved that the emergency response plan functioned well.(A) seem to ha
- 在CNS規範中，公制三角螺紋的規格可分爲哪兩種？(A)粗牙與特細牙(B)粗牙與特粗牙(C)粗牙與細牙(D)細牙與特細牙
- IV. Grammar: 14%My father was heard _____ loudly in his sleep last night.(A) to yelling (B) to be
- 操作車床加工時，不得使用下列何種防護具？(A)安全眼鏡(B)手套(C)安全鞋(D)耳塞
- (A) using (B) use (C) be used (D) used
- Before Copernicus proposed his theory, many people in Europe _____ the Earth was the center of th
- 下列何種螺紋具有較佳之防止流體洩漏功用？(A)錐管螺紋(B)梯形螺紋(C)圓螺紋(D)愛克姆螺紋
- _____ you can see, constant practice plays an important role in learning a new language.(A) As (B
- 一人向北行10 m，轉向東行5 m，再轉向南行5 m，其位移量爲多少m ?(A)5(B)5√2(C)10(D)15
- Just like e-words, symbols have become the most common elements in computer and mobile phone text me
- The caffeine (咖啡因) in coffee _____ making people alert and awake.(A) has the affect of (B) has th
- 有關管內流體壓力，下列何者不是影響其壓力下降的主因？(A)傳輸距離近(B)管內摩擦偏大(C)管徑大小變化高(D)彎管之曲率半徑太小
- It is unhealthy to deal with negative emotions _____ overeating, drinking, or smoking.(A) for (B)