模概CH6習
Authored by mege mege
Professional Development
12th Grade
Used 4+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
射出作業時,模具溫度低會造成
(A)生產速度慢
(B)模具變形
(C)成形品有毛邊
(D)成形品變形。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
射出作業時,模具溫度高會造成
(A)生產速度慢
(B)成形品表面粗糙
(C)成形品殘留應力
(D)充填不足。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
模具中加工用以控制模具溫度的液體通道稱為
(A)溫度控制器
(B)模溫機
(C)冷卻管道
(D)加熱澆道。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塑料帶入模具中的熱量,經輻射對流到大氣中約佔
(A)5%
(B)15%
(C)85%
(D)95%。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塑料帶入模具中的熱量被模具吸收是因熱的
(A)對流
(B)傳導
(C)輻射
(D)散射。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塑料由液態變為固態是
(A)吸熱
(B)放熱
(C)先吸熱後放熱
(D)先放熱後吸熱。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
塑料由固態變為液態所需熱量稱為
(A)比熱
(B)界膜傳導係數
(C)熔解潛熱
(D)熱傳導率。
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