問題詳情
21 下列何者為乾粉滅火劑滅火功能的主要作用？
(A)冷卻作用
(B)移除作用
(C)抑制作用
(D)防焰作用
(A)冷卻作用
(B)移除作用
(C)抑制作用
(D)防焰作用
參考答案
答案：C
難度：簡單0.847232
統計：A(76),B(85),C(1270),D(68),E(0)
內容推薦
- 11 建築物的煙控原理，主要為利用起火居室與人員避難走道之間空氣的何種物理特性？(A)熱慣性不同 (B)熱傳導度變化 (C)壓力差異 (D)輻射回饋效應
- 20 對於公共危險物品之分類描述，下列何者正確？(A)第一類：氧化性固體 (B)第二類：發火性液體、發火性固體及禁水性物質(C)第三類：易燃液體 (D)第四類：自反應物質及有機過氧化物
- 25 火災燃燒現象需有四項要素同時具備方能持續存在，其中涉及燃燒物質「自由基」者為何？(A)可燃物 (B)助燃物 (C)熱能 (D)連鎖反應
- 8 Doctors usually insist on a definitive _____ before treatment because the drugs used have so many
- 10 液體在極快速情況下受熱汽化為氣體時，因能量在瞬間內釋放，將會形成爆炸現象，此狀況稱為何者？(A)聚合爆炸 (B)分解爆炸 (C)蒸氣爆炸 (D)反應性失控爆炸
- 19 相等質量之乙醇（C2H5OH）和二甲醚（CH3OCH3），二者燃燒時之理論空氣量，其比較結果為下列何者？(A)乙醇>二甲醚 (B)二甲醚>乙醇(C)二者相等 (D)不一定，缺氧時乙醇
- 24 已知史蒂芬波茲曼常數為 67 × 10-11 kW/m2K4，若一物體之溫度為 227°C，放射率（emissivity）為 0.5， 則其熱輻射強度為多少 kW/m2？(A)0.44 (B
- 1 Sometimes we recoil when a stranger reaches out to help as we stumble, and sometimes we _____ to a
- 9 在乙炔氣瓶內加入丙酮以溶解乙炔氣，主要是防止那一種爆炸？(A)自然發火型爆炸 (B)空氣氧化反應爆炸 (C)氣體分解爆炸 (D)蒸氣爆炸
- 18 依據危險物品的管制分類，下列物質何者屬於易燃固體？(A)二氧化鉛 (B)赤磷 (C)鉀 (D)三氧化鉻
內容推薦
- 2 The review the critic gave is _____ . Neither does it contain harsh words, nor does it sound over
- 22 下列何者不是水霧滅火設備之特性？(A)因水粒子相互之間存有空氣，而具有較佳之電氣絕緣作用(B)水粒子細，接觸面積大，易吸熱而汽化，降低火場溫度(C)水粒子細，易經加熱而汽化膨脹，排開空氣，降低氧
- 13 當發生火災時，在燃燒物質上方將形成一團錐形體的熱氣與煙層，於火災學名詞稱為：(A)閃燃（flash over） (B)火羽流（fire plume） (C)爆燃（deflagration） (D
- 3 My brother Henrik always teased us; he told us ghost stories and scared us half to _____ .(A) slee
- 10 (A) because (B) unless (C) whereas (D) though
- 4 Café Rufous not only has the best coffee in Taipei but also offers a relaxed _____ . That’s why I
- 11 (A) hence (B) hardly (C) otherwise (D) alone
- 5 Martin Luther King was widely known for his great _____ ; he made many dramatic speeches in his li
- 12 (A) interprets (B) emerges (C) acquires (D) operates
- 6 It is said that a _____ personality is more important than education in deciding how one will succ
- 13 (A) abstract (B) efficient (C) general (D) specific
- 請依下文回答第 14 題至第 17 題：During my high school years my best friend was Susan Miller, a girl who had live
- 15 What does “shopathon” mean?(A) It is a new term which implies a long, continuous day complete
- 16 According to the passage, which of the following statements is true?(A) They enjoyed greatly
- 請依下文回答第 25 題至第 27 題：A long healthy life is no accident. It begins with good genes, but it also 25 go
- 17 Which of the following best describe "a gift certificate"?(A) A prize won from a ga
- 26 (A) Founded (B) Fond (C) Funded (D) Functioned
- 請依下文回答第 35 題至第 37 題：By the 18th century Paris had replaced Rome as the artistic center of Europe. At
- 請依下文回答第 38 題至第 41 題：Our fascination with eating and drinking behaviors and their causes has resulted
- 18 Ipad is a _____ version of a laptop computer.(A) needy (B) global (C) mobile (D) trendy
- 27 (A) longitude (B) altitude (C) attitude (D) longevity
- 39 Which of the following statements is NOT true about The Psychology of Eating and Drinking?(A)
- 48 (A) companions (B) fragments (C) substances (D) species
- 19 For the first reading, avid readers tend to _____ the book rather than read it from page to page.
- 請依下文回答第 28 題至第 30 題：Since ancient times, sound and music has been used as a powerful tool for healin