問題詳情
149.油的粘度隨溫度升高而
(A)不變
(B)降低
(C)升高
(D)凝固。
(A)不變
(B)降低
(C)升高
(D)凝固。
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
- 1安全閥的總排汽量，必須大於鍋爐最大連續蒸發量，並且在鍋爐和過熱器上所有安全閥開啟後，汽鼓內蒸汽壓力不得超過設計壓力的幾倍(A)02(B)06(C)05(D)25。
- 1在串聯電路中每個電阻上流過的電流(A)後端的電阻電流大(B)前端的電阻電流大(C)相同(D)後端的電阻電流小。
- 1給水泵低流量保護作用是(A)防止給水中斷(B)防止泵過熱損壞(C)防止泵過負荷(D)防止泵超壓。
- The runner put all his effort into running the marathon. He came in third place. He was awarded a
- Jason just heard the news that the company___________ a crew to build a strong ship that will be
- 1節煤器的作用為(A)從煙氣中回收一部份熱量加至主蒸汽管路中以節省能源(B)從煙氣中回收一部份熱量加至給水管路中以節省能源(C)從煙氣中回收一部份熱量加至燃料燃燒所需要的空氣中以節省能源(D)從
- 1皮托管(pitot)裝置是測量管道中流體的(A)壓力(B)阻力(C)流速(D)流量。
- Taichung Intercontinental Baseball Stadium is a good place to go to a baseball game and a concert.
- The National Palace Museum in Taipei is very ___________. One can take many hours to go through al
- The frog was sitting___________ on a lily pad. Suddenly, a mosquito flew by. The frog snatched th
內容推薦
- 1蒸汽動力設備循環廣泛採用(A)卡諾循環(B)朗肯循環(C)回熱循環(D)強迫循環。
- The reckless driver lost control of his car on the___________ mountain road. The car drove over t
- 1燃煤中灰分熔點越高，(A)越不容易結焦(B)越容易結焦(C)越容易滅火(D)越容易著火。
- In the mountain, a blast of wind caused the autumn leaves to swirl in the air and the birds to chi
- When the Taichung Mass Rail Transit (Taichung MRT) opens, people can conveniently travel around t
- 1新鍋爐施行水壓試驗其水壓為(A)額定壓力(B)運轉壓力(C)設計壓力(D)爐管耐壓 之 5 倍。
- The lacrosse team is on a___________ streak. Their mascot, the lion, is good at getting the fans
- A cold front has moved into area. The sky is overcast, which causes people to feel ___________. T
- 下列有關空氣預熱器的敘述那些不正確？(A)可減少燃氣之熱損失，提高鍋爐效率(B)熱交換後的熱空氣可做為燃燒用空氣和輸送粉煤、乾燥粉煤之用(C)傳導式(或間接式)是用金屬板反覆接觸燃氣達一定時間
- 1煤源 HGI(可磨性指示)愈低時下列那些敘述是對的？(A)煤不易磨成細粉(B)煤易磨成細粉(C)相同飼煤量磨煤機差壓上升(D)相同飼煤量馬達運轉電流愈高。
- Many people flock to hot springs on bitterly cold days to warm up and relax. A refreshing soak in
- 【題組】(A) keen(B) likely(C) open(D) prone(E) resistant
- 下列係馬達運轉線圈溫度高限值之敘述，那些是正確的？(A)高限制值有依大氣溫度加上允許溫升值來設定者(B)高限制值有依絕緣等級直接設定者(C)馬達運轉若線圈溫度超過限制值應予降低馬達出力(D)馬
- Workers from the tree service company are pruning the trees today. This preventive measure ______
- 1有關內燃式與外燃式鍋爐在燃煤時之優缺點比較，那幾項是錯誤的？(A)內燃式在燃燒時容易發生黑煙(B)內燃式爐內溫度不容易提高(C)外燃式磚灶爐壁的熱損較少(D)外燃式燃燒爐之大小受限制，燃料揮發
- 【題組】(A)pipping(B) pip-squeak(C) prominent (D) strength(E) strengthening
- Eating less requires you to __25__ yourself to one square meal (defined as somegrilled meat and two
- II.Cloze: Choose the best answer for the following cloze passages. (Each 2%, Total 30%)The human sen
- 下列有關熱與水及蒸汽之關係，何者是錯誤的？(A)在標準大氣壓力下水的比熱是 1(B)在標準大氣壓力下 1公斤的水自 25℃加熱至 75℃，則水吸收 100Kcal 的熱量(C)水被加熱後體積會
- 【題組】According to the passage, which of the following statements is true?(A) Yeh-Shen has two step
- 1橢圓形人孔之尺寸應為(A)直徑 375mm 以上之圓形(B)長徑 250mm 以上，短徑 150mm 以上(C)長徑 300mm 以上，短徑 200mm 以上(D)橢圓形為長徑 375mm 以
- 【題組】(A) comforting (B) delicious (C) nutritious(D) light(E) soothing
- 【題組】(A) extend to (B) extends to (C) extent to(D) extenting to (E) extents to
- 【題組】(A) driving(B) moving(C) mowing(D) peeling(E) pulling
- 1下列有關流體化床鍋爐之說明中，那幾項是正確的？(A)流體化床鍋爐之燃料是燃燒於灰與砂或石灰石所組成的爐床上(B)一次空氣由爐床之下方向上進入爐內以產生流體化之爐床(C)流體化床鍋爐之燃料應為可