2021 Engineering Drawing Fundamental (工程制图基础)(北京理工大学) 最新满分章节测试答案

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2021-03-01到2021-05-03

Week 1 Drawing standard

1、 问题:As for the orientation of drawing sheet, we can use all size of drawing sheet in type Y mode (portrait orientation).  
选项：
A:正确
B:错误
答案: 【错误】

分析：【Only for A4】

2、 问题:Scale is the ratio of the dimension of an element of an object shown in the drawing to the real dimension of the same element of the object.   
选项：
A:正确
B:错误
答案: 【错误】
分析：【It’s the ratio of linear dimension, not for angular dimension.】

3、 问题:When dimensioning the size which is not made of full scale, we need calculate the dimension figure carefully according the scale.  
选项：
A:正确
B:错误
答案: 【错误】
分析：【Always dimension the real size of the object.】

4、 问题:Hidden line should extend visible line with gap.
选项：
A:正确
B:错误
答案: 【正确】

5、 问题:Hidden line should intersect hidden line with dash.
选项：
A:正确
B:错误
答案: 【正确】

6、 问题:___ lines represent features that can be seen in the current view.
答案: 【(以下答案任选其一都对)Visible;
visible】

7、 问题:____ lines represent features that can’t be seen in the current view.
答案: 【(以下答案任选其一都对)Hidden;
hidden】

8、 问题:___ line represents symmetry, path of motion, centers of circles, axis of axisymmetric parts.
答案: 【(以下答案任选其一都对)Center;
center】

9、 问题:___ lines represent the position limits of moving features or parts assembled with current part.
答案: 【(以下答案任选其一都对)Phantom;
phantom】

10、 问题:____lines represent the edge of part of view “break” from whole view.
答案: 【(以下答案任选其一都对)Break;
break】

【作业】Week 1 Equipment drawing of arc connection

1、 问题:Copy the upper one of given arc connection drawing and take a picture or make a scan for submission. If you don’t have a A3 drawing sheet, you can make it on A4 with a smaller scale.
评分规则: 【 Evaluate the line type, line weight, the smoothness of arc connection.
】

Week 2 Test on orthographic projection

1、 问题:This is the symbol of the _____ angle projection.
选项：
A:first
B:second
C:third
D:fourth
答案: 【first】

2、 问题:In the first project angle system, which is the correct answer for the intetsection of  a half sylinder and a sylinder?
选项：
A:(1)
B:(2)