
5下2-2d
Quiz
•
Chemistry
•
5th Grade
•
Hard
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44 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一般滅火器的構造包括握把、安全插梢、皮管和噴嘴等。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
野外露營時生起的營火,久了會自動熄滅,所以不用管它是不是還在燃燒,就可以離開,不會造成任何危險。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
消防人員用水或滅火器滅火,是為了移除燃燒的條件,達到滅火的目的。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
大量油類用品起火時,消防隊通常會出動泡沫消防車來滅火。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
實驗結束時,用蓋子蓋熄酒精燈,是利用隔絕氧氣的原理使酒精燈熄滅。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
建築法規規定兩棟建築物之間都要有防火巷,目的是在火災發生時可以通風,使溫度降低。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
烤肉結束時,將水噴灑在木炭上使炭火熄滅,是因為水能降低溫度。
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