
化二甲_食的戰爭
Chemistry
8th - 9th Grade
Used 8+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
何者為熱量傳送的推動力?
溫度差
濃度差
壓力差
速度差
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
何者不屬於熱量傳送的方式?
傳導
對流
輻射
蒸發
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
依照傅立葉傳導定律,下列何項正確?
q∝Δx
q∝A
q∝(1/ΔT)
q∝ΔT的平方根
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列物質的熱傳導係數(k)之比大小為何?
①非金屬固體②液體③氣體④金屬固體
④>①>②>③
②>①>④>③
①>②>③>④
④>②>①>③
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者之導熱係數(k)最大?
水
空氣
鋁
橡膠
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
導熱係數(k)之單位?
kcal/hr⋅m2⋅K
kcal/hr⋅m⋅K
kcal/hr
kW/m⋅kg⋅K
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於物質導熱係數(k)的敘述,何者錯誤?
溫度↑,金屬的k下降
溫度↓,氣體的k下降
k值越大,傳導能力越好
k值越小,越適合作絕熱材料
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