
熱的傳遞MC
Authored by Clarence Chen
Mathematics
9th Grade
Used 2+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在下列哪個煮食過程中,食物主要由輻射加熱?
(1) 用焗爐烘烤
(2) 用沸水蒸
(3) 用沸水煮
只有 (1)
只有 (3)
只有 (1) 和 (2)
只有 (2) 和 (3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪種物態傳導熱的能力最低?
固態
液態
氣態
沒有分別
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪種現象是對流造成的?
海陸風
海嘯
一滴墨水在靜止的水中擴散
熔岩往山下流動
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
流體受熱時,
較熱的部分膨脹和上升,形成對流。
較熱部分的粒子膨脹和上升,形成對流。
較熱部分的粒子撞擊鄰近的粒子,形成對流。
較熱部分的粒子放出紅外輻射,紅外輻射產生對流。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
祖兒用兩支相同的溫度計X和Y做實驗。她先用一小塊毛皮包裹X的溫度計泡,然後把兩支溫度計一同放進雪櫃1分鐘。下列哪項敘述是正確的?
X的讀數變得比Y大。
X的讀數變得比Y小。
兩支溫度計的讀數下跌至同一數值。
兩支溫度計的讀數維持不變。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
顯示器背面有很多狹縫,它們有甚麼功用?
減少製造外殼的物料,以減省成本。
幫助接收訊號。
使外形更美觀。
讓空氣流通,形成對流,幫助零件散熱。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪種物料傳導熱的能力最高?
銅
塑膠
水
木
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