問題詳情
8 0 .三台離心式冰水區域水泵並聯之系統， 在部份負載時， 其中兩部水泵停止運轉， 在未設置自動節流元件之情況下， 唯一運轉之水泵， 其運轉電流會：
(A) 升高
(B) 降低
(C) 不變
(D) 不一定。
(A) 升高
(B) 降低
(C) 不變
(D) 不一定。
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
內容推薦
- 1While working in the trade exhibition, every one is required to wear his or her identification
- 1As the airplane is taking off, passengers should return their seat backs to full upright and __
- 1The committee members have approached the proposal with a good deal of ______ because some of t
- 7 9 .退伍軍人菌在水溫高於(A) 6 0 (B) 5 0 (C) 4 0 (D) 4 5 ℃ 以上時則不易生存。
- 10There is no ______ made on weekends because the hotel is almost occupied. (A) delay (B) violati
- 1Stocks usually benefit ____ the January effect, which causes the price of these stocks to rise
- 1The construction of the Rapid Transit System will help the city ________. (A) diversify (B) cla
- 1Any unsatisfied item must be returned within 30 days and ____ by the original receipt from this
- 7 8 .空調箱若使用電加熱器， 則其過熱保護開關何時會動作(A) 電熱器斷路(B) 電熱器短路(C) 電熱器漏電(D) 風車傳動皮帶斷裂。
- 10Mr. Lee was very concerned _____ the upcoming board of directors meeting. (A) to (B) about (C)
內容推薦
- 1Making appropriate arrangement for audiovisual equipment in advance is _______ recommended for
- 1Currently, there is an excellent ______ for our society to boost its economic development. (A)
- 1貨物包裝標示有 標誌時，則表示該貨物(A)內裝物品數量為十(B)限重十公斤(C)堆積層數極限為十(D)包裝紙層數為十。
- 1Please present the VIP card, when ______ charges to your room account or making a reservation f
- 1During this fiscal year, the Twin Head Co. was _______and its production raised from 700 cars a
- 1Be alert –use your eyes, ears, and intuitions when negotiating, and establish good ______ with
- 7 2 . 下列何種閥件不適合用來調整水系統之流量， 僅適合用於關斷水流： (A) 閘閥(B) 蝶閥(C) 球塞閥(D) 球型閥。
- 10Employees are ____ that due to new government regulations, there is no smoking in the working p
- 1The firm is not liable for the damage resulting from some conditions ____ its control (A) beyon
- 7 4 . 影響吸收式冰水機腐蝕之主要原因， 下列敘述何者為正確？ (A) 與氧氣接觸(B) 溴化鋰的濃度增加(C) 溶液之溫度下降(D) 溶液之酸鹼度趨向中性。
- 滾柱軸承內部的滾柱與內環（或外環）間之接觸方式為(A) 滑動對 (B) 高對 (C) 轉對 (D) 螺旋對
- 1It is required to ______ all relevant data to the association ten days prior to the beginning o
- 10On international shipments, all duties and taxes are paid by the ________. (A) recipient (B) re
- 1Initial _____ concerning the merge of the two banks will be held next Monday at the Internation
- 7 5 . 氯氣所使用之防毒面罩， 其吸收罐之代表顏色為(A) 黑灰色(B) 紅色(C) 綠色(D) 白色。
- 6 9 . 三相四線( Y 接) 線電壓2 2 0 V ， 其對地電壓為(A) 1 1 0 (B) 1 2 7 (C) 2 2 0 (D) 3 8 0 V 。
- 1It is ______ that Ms. Jin wishes to handle all transactions by herself but it might be better i
- 1The corporation, which underwent a major restructuring a couple years ago, ______ steadily for
- 7 6 . 吸收式冰水主機運轉時之不可凝結氣體係集中於(A) 發生器(B) 冷凝器(C) 蒸發器(D) 吸收器。
- 7 0 . 3 E 電驛在下列何種情況會動作？ (A) 過載、欠相、接地(B) 過載、逆向、欠相(C) 接地、過載、短路(D) 過載、短路、欠相。
- 1Passengers are reminded to allow for ____ travel time to the airport during the A rush hours. (
- 7 7 . 風壓在4 英吋水柱時， 最接近(A) 1 0 0 c m A q (B) 4 p s i (C) 7 . 3 5 c m H g (D) 1 k P a 。
- 1____ higher cost this year, attendance at the management training seminar remains above average
- 1The company is recruiting a regional manager with a starting salary of NT$ 000 plus bonus, a
- 1His credit card was canceled because his monthly payment is several months _________. (A) due (