第一章 单元测试
1、单选题:What does a thick line represent in drawing?
A:represent visible line
B:represent invisible line
C:represent symmetrical line
D:represent hatching line
正确答案:【represent visible line】
2、多选题:The possible direction of a dimension text should towards?
A:left
B:right
C:upper
D:down
正确答案:【left;upper】
3、判断题:The “R” and “∅ ” means radius and diameter.
A:对
B:错
正确答案:【对】
4、多选题:The main contents of title block are:
A:part name
B:signature
C:class
D:student ID NO.
正确答案:【part name;signature;class;student ID NO.】
5、多选题:The elements of the dimension
A: extension line
B: dimension line
C: arrow head
D: text
正确答案:【 extension line; dimension line; arrow head; text】
6、判断题:Thin dashed dotted line to indicate axis line ,symmetrical center lines.
A:对
B:错
正确答案:【对】
7、判断题:Continuous thin irregular line to indicate part sectional boundary lines or to terminate a part view, and for short break line.
A:对
B:错
正确答案:【对】
8、判断题:Thick dashed line shown can be made surface-treatment
A:对
B:错
正确答案:【对】
9、判断题:A compass is used to draw circles and arcs
A:对
B:错
正确答案:【对】
第二章 单元测试
1、单选题:Which coordinates are related to H projection of a point?
A:x,y
B:x,z
C:y,z
D:x,y,z
正确答案:【x,y】
2、单选题:How can you represent V projection of a point?
A:a’
B:a
C:A
D:a”
正确答案:【a’】
3、单选题:Which projection accumulates as a point for a H perpendicular line?
A:V
B:W
C:H
D:no projection accumulates as a point
正确答案:【H】
4、单选题:Which projection is the true length for a frontal line?
A:H projection
B:V projection
C:W projection
D:no projection
正确答案:【V projection】
5、单选题:How many types of parallel line are there relative to projection plane?
A:1
B:2
C:3
D:4
正确答案:【3】
6、多选题:How many relationships between two lines?
A:1
B:2
C:3
D:4
正确答案:【3;4】
7、判断题:If two projections of two lines are parallel, then the two lines are parallel in space
A:对
B:错
正确答案:【错】
8、判断题:The true length projection of a line appears in a projection plane that is parallel to the line
A:对
B:错
正确答案:【对】
9、判断题:Two lines are parallel in space provided that their respective projections on two projection planes are parallel.
A:对
B:错
正确答案:【对】
10、判断题:If a line is parallel to any line in a plane, the line is parallel to the plane.
A:对
B:错
正确答案:【对】
第三章 单元测试
1、单选题:What type of intersection line can you get, when a sphere cut by a plane?
A:ellpse
B:straight line
C:circle
D:uncertain
正确答案:【circle】
2、单选题:
Known to have four sets of projections of a sphere with a circular hole, the correct set is ( )
A:b
B:a
C:c
D:d
正确答案:【c】
3、单选题:
Known solid’s main view and top view, select correct left view ( )
A:a
B:b
C:d
D:c
正确答案:【a】
4、单选题:
Given the main view and top view of the solid, the correct left view is ( )
A:d
B:c
C:a
D:b
正确答案:【c】
5、单选题:
According to the main and top views, select the right left view ( )
A:a
B:c
C:b
D:d
正确答案:【a】
6、单选题:
Select the correct left view ( )
A:d
B:a
C:b
D:c
正确答案:【c】
7、单选题:
Select the correct left view ( )
A:a
B:c
C:b
D:d
正确答案:【d】
8、单选题:
Select the correct left view ( )
A:a
B:d
C:b
D:c
正确答案:【b】
9、单选题:
Select the correct top view ( )
A:b
B:c
C:a
D:d
正确答案:【a】
10、单选题:
Select the correct top view ( )
A:d
B:c
C:b
D:a
正确答案:【b】
11、单选题:
Select the correct left view ( )
A:a
B:b
C:c
D:d
正确答案:【c】
12、单选题:
Select the correct left view ( )
A:a
B:b
C:c
D:d
正确答案:【d】
13、单选题:
Select the correct top view ( )
A:a
B:c
C:d
D:b
正确答案:【b】
第四章 单元测试
1、单选题:What are the regulations of three views? main view and left view : ; main view and top view: ; top and left view: .
A:same height; same witdh; same length
B:same height; same length; same width
C:same width; same length; same height
D:same length; same height; same width
正确答案:【same height; same length; same width】
2、判断题:is the dashed line necessary in isometric projection?
A:错
B:对
正确答案:【错】
3、单选题:How much is the axes angle of isometric projection
A:60°
B:120°
C:125°
D:90°
正确答案:【120°】
4、判断题:longer dimension should be outside of short ones.
A:对
B:错
正确答案:【对】
5、判断题:The overall length is necessary for a round end plate.
A:对
B:错
正确答案:【错】
6、判断题:The three types of dimension include shape dimension, location dimension and overall dimension
A:错
B:对
正确答案:【对】
7、单选题:select the correct view.
A:d
B:c
C:b
D:a
正确答案:【d】
8、单选题:
Select the correct left view ( )
A:a
B:c
C:d
D:b
正确答案:【c】
9、单选题:
Select the correct top view ( )
A:c
B:a
C:b
D:d
正确答案:【b】
10、单选题:
Select the correct top view ( )
A:d
B:a
C:b
D:c
正确答案:【b】
第五章 单元测试
1、单选题:How much is the inclined angle of hatching for the commonly used metallic material
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