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模概CH6習

Authored by mege mege

Professional Development

12th Grade

Used 4+ times

模概CH6習
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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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