大学MOOC Engineering Graphics(Dalian University of Technology)1457993175 最新慕课完整章节测试答案
Chapter 1 Introduction
文章目录
- Chapter 1 Introduction
- Chapter 10 Representations for workpieces (3)
- Chapter 11 Screw thread structure
- Chapter 12 Fasteners and commonly-used parts
- Chapter 13 Detail drawing
- Chapter 15 Assembly drawing-writing
- Chapter 2 Basic solids
- Chapter 3 Intersection
- Chapter 4 Pictorial drawing
- Chapter 5 Object-views drawing
- Chapter 6 Objects-views reading
- Chapter 7 Objects-views dimensioning
- Chapter 8 Representations for workpieces (1)
- Chapter 9 Representations for workpieces (2)
- Chpater 16 Assembly drawing-reading
Test 1 About basic knowledge of projection
1、单选题：
About the first angle projection, what is the correct description?
选项：
A: The spatial object is between the projection center and the projection plane
B: The projection center is between the spatial object and the projection plane
C: The projection plane is between the projection center and the spatial object
D: None
答案: 【 The spatial object is between the projection center and the projection plane】
2、单选题：
What kind of engineering drawing has good measurability?
选项：
A: Multi-view projection
B: Cartographical projection
C: Perspective projection
D: Axonometric projection
答案: 【 Multi-view projection】
3、单选题：
What kind of engineering drawing has the best visuality？
选项：
A: Perspective projection
B: Multi-view projection
C: Cartographical projection
D: None
答案: 【 Perspective projection 】
4、单选题：
Which letter is used to represent the horizontal projection plane?
选项：
A: H
B: W
C: V
D: None
答案: 【 H】
5、单选题：
Which projection axis is used to represent left and right orientation in spatial projection system?
选项：
A: X
B: Y
C: Z
D: None
答案: 【 X】
6、单选题：
Which projection axis is used to represent up and down orientation in spatial projection system?
选项：
A: Z
B: Y
C: X
D: None
答案: 【 Z】
7、单选题：
Which projection axis is used to represent front and rear orientation in spatial projection system?
选项：
A: Y
B: X
C: Z
D: None
答案: 【 Y】
8、单选题：
The isometric drawing is
选项：
A: Single orthographic projection
B: Multiple orthographic projection
C: Single oblique projection
D: Central projection
答案: 【 Single orthographic projection】
9、单选题：
What kind of line type can be used to show projection axes?
选项：
A: Thin continuous line
B: Thick continuous line
C: Thin hidden line
D: Thin centerline
答案: 【 Thin continuous line 】
10、单选题：
What kind of line type can be used to show projection lines?
选项：
A: Thin continuous line
B: Thick continuous line
C: Thin hidden line
D: Thin centerline
答案: 【 Thin continuous line 】
11、单选题：
The distance between the profile projection a" and projection axis OY is equal to the distance from the point A to the projection plane:
选项：
A: Projection plane H
B: Projection plane V
C: Projection plane W
D: None
答案: 【 Projection plane H】
12、单选题：
The distance between horizontal projection a and projection axis OX is equal to the distance from the point A to the projection plane:
选项：
A: Projection plane V
B: Projection plane H
C: Projection plane W
D: None
答案: 【 Projection plane V 】
13、单选题：
What letter is used to represent the profile projection of point A?
选项：
A: a"
B: a'
C: a
D: None
答案: 【 a" 】
14、单选题：
What letter is used to represent the horizontal projection of point A?
选项：
A: a
B: a"
C: a'
D: None
答案: 【 a】
15、单选题：
What letter is used to represent the frontal projection of point A?
选项：
A: a'
B: a"
C: a
D: None
答案: 【 a' 】
16、单选题：
The space point is represented by（）.
选项：
A: Capital letter
B: Lowercase letter
C: Small letter
D: Number
答案: 【 Capital letter】
17、单选题：
The distance from the space point to the horizontal projection plane H can be represented by ( ) coordinates of the point.
选项：
A: Z
B: X
C: Y
D: None
答案: 【 Z】
18、单选题：
The distance from the space point to the profile projection plane W can be represented by ( ) coordinates of the point.
选项：
A: X
B: Y
C: Z
D: None
答案: 【 X】
19、单选题：
The X-coordinate of one point represents the distance from the space point to ( ).
选项：
A: Plane W
B: Plane V
C: Plane H
D: None
答案: 【 Plane W】
20、单选题：
The Y-coordinate of the point represents the distance from the space point to ( ).
选项：
A: Plane V
B: Plane H
C: Plane W
D: None
答案: 【 Plane V 】
21、单选题：
The Z-coordinate of the point represents the distance from the space point to ( ).
选项：
A: Plane H
B: Plane V
C: Plane W
D: None
答案: 【 Plane H】
22、单选题：
Which of the following statements is true about oblique lines?
选项：
A: Inclined to three projection planes
B: Parallel to two projection planes
C: Only inclined to two projection planes
D: Inclined to one projection plane
答案: 【 Inclined to three projection planes】
23、单选题：
Ascertain which drawing represents line AB is parallel to a projection plane.
选项：
A: (3)
B: (1)
C: (2)
D: (4)
答案: 【 (3)】
24、单选题：
Which drawing means the line is an oblique line?
选项：
A: (1)
B: (2)
C: (3)
D: (4)
答案: 【 (1)】
25、单选题：
How to name a line that is inclined to three principal projection planes?
选项：
A: Oblique line
B: Inclined line
C: W-perpendicular line
D: Skew line
答案: 【 Oblique line】
26、单选题：
According to the given views, the straight line AB is a:
选项：
A: V-normal line
B: Horizontal line
C: Profile line
D: Oblique line
答案: 【 V-normal line】
27、单选题：
According to the given views, the straight line EF is a:
选项：
A: H-normal line
B: Frontal line
C: Horizontal line
D: Profile line
答案: 【 H-normal line】
28、单选题：
According to the given views, indicate the straight line AE is a:
选项：
A: W-normal line
B: Frontal line
C: Horizontal line
D: V-normal line
答案: 【 W-normal line】
29、单选题：
According to the given views, the straight line AC is a:
选项：
A: Frontal line
B: V-perpendicular line
C: W-perpendicular line
D: Oblique line
答案: 【 Frontal line】
30、单选题：
According to the given views, the straight line EF is an:
选项：
A: Profile line
B: Frontal line
C: Horizontal line
D: Oblique line
答案: 【 Oblique line】
31、多选题：
What drawing is obtained based on orthographic projection method?
选项：
A: Three principal views
B: Isometric drawing
C: Cartographical drawin
D: Perspective drawing
E: Cabinet drawing
答案: 【 Three principal views ;
Isometric drawing;
Cartographical drawin】
32、多选题：
What drawing is produced based on parallel projection method?
选项：
A: Multi-view projection
B: Isometric drawing
C: Cabinet drawing
D: Cartographical projection
E: Perspective projection
答案: 【 Multi-view projection ;
Isometric drawing;
Cabinet drawing;
Cartographical projection】
33、多选题：
The commonly-used engineering drawings are：
选项：
A: Multi-view projection
B: Cartographical projection
C: Perspective projection
D: Axonometric projection
答案: 【 Multi-view projection ;
Cartographical projection;
Perspective projection;
Axonometric projection】
34、多选题：
Which letter is used to represent the profile projection plane?
选项：
A: W
B: H
C: V
D: P
E: None
答案: 【 W;
P】
35、多选题：
Which letter is used to represent the frontal projection plane?
选项：
A: V
B: W
C: F
D: H
E: None
答案: 【 V;
F】
36、多选题：
What orientations can be shown on projection plane V?
选项：
A: Right and left
B: Up and down
C: Front and rear
D: None
答案: 【 Right and left ;
Up and down】
37、多选题：
What orientations can be shown on projection plane W?
选项：
A: Up and down
B: Front and rear
C: Left and right
D: None
答案: 【 Up and down;
Front and rear】
38、多选题：
What orientations can be shown on projection plane H?
选项：
A: Right and left
B: Front and rear
C: Up and down
D: None
答案: 【 Right and left ;
Front and rear】
39、多选题：
Which of the following statement is true about the normal lines of projection plane?
选项：
A: Only perpendicular to one projection plane
B: Parallel to two projection planes
C: Only parallel to one projection plane
D: Inclined to a projection plane
答案: 【 Only perpendicular to one projection plane;
Parallel to two projection planes】
40、多选题：
Which of the following statements is true about the inclined lines?
选项：
A: Only parallel to one projection plane
B: Only inclined to two projection planes
C: Perpendicular to one projection plane
D: Inclined to one projection plane
答案: 【 Only parallel to one projection plane;
Only inclined to two projection planes】
41、多选题：
Which drawing means the line is the normal line of the projection plane?
选项：
A: (2)
B: (4)
C: (1)
D: (3)
答案: 【 (2);
(4)】
42、判断题：
A parallel projection method is used in photo imaging.
选项：
A: 正确
B: 错误
答案: 【 错误】
43、判断题：
Central projection method is used in photo imaging
选项：
A: 正确
B: 错误
答案: 【 正确】
44、判断题：
Two projections of a point can determine its spatial position completely.
选项：
A: 正确
B: 错误
答案: 【 正确】
45、判断题：
The projection line should be thin dashed line.
选项：
A: 正确
B: 错误
答案: 【 错误】
46、判断题：
The distance from the space point to the frontal projection plane V is equal to Y coordinate value of the point.
选项：
A: 正确
B: 错误
答案: 【 正确】
47、判断题：
The projections of two overlapped points in the H/V projection system is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
48、判断题：
The projections of two overlapped points in the H/V projection system is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
49、判断题：
The projections of two overlapped points in the V/W projection system is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
50、判断题：
The projections of two overlapped points in the V/W projection system is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
51、判断题：
The projections of two overlapped points in the H/V projection system is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
52、判断题：
The projections of two overlapped points in the H/V projection system is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
53、判断题：
Line ab in the following figure reflects the true length of line AB.
选项：
A: 正确
B: 错误
答案: 【 错误】
54、判断题：
The frontal projection shown in the figure reflects the true length of the straight line AB.
选项：
A: 正确
B: 错误
答案: 【 正确】
55、判断题：
Line projection ab in the figure reflects the true length of the straight line AB.
选项：
A: 正确
B: 错误
答案: 【 错误】
56、判断题：
The horizontal projection ab in the figure reflects the true length of the straight line AB.
选项：
A: 正确
B: 错误
答案: 【 正确】
57、判断题：
The projection pointed by the arrowhead in the figure reflects the true length of the straight line.
选项：
A: 正确
B: 错误
答案: 【 错误】
58、判断题：
The projection pointed by the arrowhead in the figure reflects the true length of the straight line.
选项：
A: 正确
B: 错误
答案: 【 错误】
59、判断题：
The projection pointed by the arrowhead in the figure reflects the true length of the straight line.
选项：
A: 正确
B: 错误
答案: 【 正确】
60、判断题：
The projection pointed by the arrowhead in the figure reflects the true length of the straight line.
选项：
A: 正确
B: 错误
答案: 【 错误】
Test 2 About basic knowledge of projection
1、单选题：
According to the given views, the straight line GM is a:
选项：
A: Profile line
B: Frontal line
C: Horizontal line
D: Oblique line
答案: 【 Profile line】
2、单选题：
According to the given views, the straight line EG is a:
选项：
A: W-normal line
B: V-normal line
C: H-normal line
D: Frontal line
答案: 【 W-normal line】
3、单选题：
Indicate the position of the straight line AB relative to the projection plane.
选项：
A: Profile line
B: V-normal line
C: W-normal line
D: H-normal line
答案: 【 Profile line】
4、单选题：
Indicate the position of the straight line AB relative to the projection plane.
选项：
A: V-normal line
B: W-normal line
C: H-normal line
D: Frontal line
E: Profile line
F: Horizontal line
答案: 【 V-normal line】
5、单选题：
Indicate the position of the straight line AB relative to the projection plane.
选项：
A: H-normal line
B: V-normal line
C: W-normal line
D: Profile line
答案: 【 H-normal line】
6、单选题：
Indicate the position of the straight line AB relative to the projection plane.
选项：
A: H-normal line
B: V-normal line
C: Frontal line
D: Profile line
答案: 【 H-normal line】
7、单选题：
Indicate the position of the straight line AB relative to the projection plane.
选项：
A: Horizontal line
B: V-perpendicular line
C: W-perpendicular line
D: Profile line
E: Frontal line
答案: 【 Horizontal line】
8、单选题：
Indicate the position of the straight line AB relative to the projection plane.
选项：
A: Frontal line
B: V-perpendicular line
C: H-perpendicular line
D: Horizontal line
答案: 【 Frontal line】
9、单选题：
The relative position of the triangle ABC to the projection plane is:
选项：
A: perpendicular
B: Parallel
C: Oblique
D: None
答案: 【 Oblique】
10、单选题：
What kind of plane is it based on the given projections?
选项：
A: H-perpendicular plane
B: W-perpendicular plane
C: W-perpendicular plane
D: Frontal plane
答案: 【 H-perpendicular plane】
11、单选题：
What kind of plane is it based on the given projections?
选项：
A: W-perpendicular plane
B: H-perpendicular plane
C: V-perpendicular plane
D: Profile plane
答案: 【 W-perpendicular plane】
12、单选题：
The plane in the following figure is ( )
选项：
A: Profile plane
B: V-perpendicular plane
C: W-perpendicular plane
D: H-perpendicular plane
答案: 【 Profile plane】
13、单选题：
The plane in the following figure is ( )
选项：
A: W-perpendicular plane
B: V-perpendicular plane
C: H-perpendicular plane
D: Frontal plane
答案: 【 W-perpendicular plane】
14、单选题：
The plane in the following figure is ( )
选项：
A: H-perpendicular plane
B: W-perpendicular plane
C: V-perpendicular plane
D: Horizontal plane
答案: 【 H-perpendicular plane】
15、单选题：
The plane in the following figure is ( )
选项：
A: Frontal plane
B: V-perpendicular plane
C: W-perpendicular plane
D: Profile plane
答案: 【 Frontal plane】
16、单选题：
Indicate the position of the straight line AB relative to the projection plane.
选项：
A: Horizontal line
B: V-normal line
C: W-normal line
D: H-normal line
答案: 【 Horizontal line】
17、单选题：
Indicate the position of the straight line AB relative to the projection plane.
选项：
A: W-normal line
B: V-normal line
C: H-normal line
D: Frontal line
答案: 【 W-normal line】
18、单选题：
The plane in the following figure is ( )
选项：
A: Frontal plane
B: V-perpendicular plane
C: W-perpendicular plane
D: H-perpendicular plane
答案: 【 Frontal plane】
19、多选题：
Determine the possible relative position of line AB to the projection plane.
选项：
A: H-normal line
B: Frontal line
C: V-normal line
D: Profile line
E: Oblique line
答案: 【 H-normal line;
Frontal line】
20、判断题：
The horizontal projection in the figure represents the true shape of the plane.
选项：
A: 正确
B: 错误
答案: 【 错误】
21、判断题：
One of the rectangles in the following figure represents the true shape of the plane.
选项：
A: 正确
B: 错误
答案: 【 错误】
22、判断题：
One of the triangles in the following figure represents the true shape of the plane.
选项：
A: 正确
B: 错误
答案: 【 错误】
23、判断题：
The horizontal projection in the following figure represents the true shape of the plane.
选项：
A: 正确
B: 错误
答案: 【 正确】
24、判断题：
Line projection ab in the figure reflects the true length of the straight line AB.
选项：
A: 正确
B: 错误
答案: 【 错误】
25、判断题：
The horizontal projection ab in the figure reflects the true length of the straight line AB.
选项：
A: 正确
B: 错误
答案: 【 正确】
26、判断题：
The projection pointed by the arrowhead in the figure reflects the true length of the straight line.
选项：
A: 正确
B: 错误
答案: 【 错误】
27、判断题：
The projection pointed by the arrowhead in the figure reflects the true length of the straight line.
选项：
A: 正确
B: 错误
答案: 【 错误】
28、判断题：
The projection pointed by the arrowhead in the figure reflects the true length of the straight line.
选项：
A: 正确
B: 错误
答案: 【 错误】
Test 3 About basic knowledge of drawing
1、单选题：
What kind of line types are used to represent visible outlines?
选项：
A: Continuous thick line
B: Continuous thin line
C: Thin hidden lines
D: Center line
答案: 【 Continuous thick line】
2、单选题：
What kind of line types are used to represent invisible outlines?
选项：
A: Thin hidden line
B: Continuous thick line
C: Continuous thin line
D: Thin centerline
答案: 【 Thin hidden line】
3、单选题：
In plane figure, what kind of line type is used to show the symmetric line?
选项：
A: Thin centerline
B: Thick hidden line
C: Thin phantom line
D: Thin break line
答案: 【 Thin centerline】
4、单选题：
What kind of line type is used to represent circle central lines?
选项：
A: Thin centerline
B: Thick continuous line
C: Thin continuous line
D: Thin hidden line
答案: 【 Thin centerline】
5、单选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (2)
B: (1)
C: all correct
D: all incorrect
答案: 【 (2)】
6、单选题：
Considering dimensioning rules, choose the correct figure.
选项：
A: (1)
B: (2)
C: all correct
D: all incorrect
答案: 【 (1)】
7、单选题：
Considering dimensioning rules, choose the correct figure.
选项：
A: (1)
B: (2)
C: all correct
D: all incorrect
答案: 【 (1)】
8、单选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (2)
B: (1)
C: all correct
D: all incorrect
答案: 【 (2)】
9、单选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (1)
B: (2)
C: (3)
D: all correct
答案: 【 (1)】
10、单选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (2)
B: (1)
C: all correct
D: all incorrect
答案: 【 (2)】
11、单选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (1)
B: (2)
C: all correct
D: all incorrect
答案: 【 (1)】
12、多选题：
Thin continuous line is used to represent:
选项：
A: Dimension line
B: Extension line
C: Centerline
D: Invisible outlines
答案: 【 Dimension line;
Extension line】
13、多选题：
Choose enlarged scales, please
选项：
A: 2:1
B: 1.5:1
C: 5:1
D: 1:2
答案: 【 2:1;
1.5:1;
5:1】
14、多选题：
Indicate reduced scales, please
选项：
A: 1:2
B: 1:5
C: 2:1
D: 2.5:1
答案: 【 1:2;
1:5】
15、判断题：
1:2 is a reduced scale
选项：
A: 正确
B: 错误
答案: 【 正确】
16、判断题：
1:5 is an enlarged scale
选项：
A: 正确
B: 错误
答案: 【 错误】
17、判断题：
2:1 is a reduced scale
选项：
A: 正确
B: 错误
答案: 【 错误】
18、判断题：
5:1 is an enlarged scale
选项：
A: 正确
B: 错误
答案: 【 正确】
Test 4 About basic knowledge of drawing
1、单选题：
Select the better figure when considering dimensioning rule.
选项：
A: (1)
B: (2)
C: all good
D: all not good
答案: 【 (1)】
2、单选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (1)
B: (2)
C: all correct
D: all incorrect
答案: 【 (1)】
3、单选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (3)
B: (1)
C: (2)
D: (4)
E: (5)
答案: 【 (3)】
4、单选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (3)
B: (1)
C: (2)
D: all correct
答案: 【 (3)】
5、单选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (1)
B: (2)
C: (3)
D: all correct
答案: 【 (1)】
6、多选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (1)
B: (2)
C: (3)
D: (4)
E: (5)
F: (6)
G: (7)
H: (8)
I: (9)
答案: 【 (1);
(2);
(3);
(4);
(5);
(9)】
7、多选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (1)
B: (2)
C: (3)
D: (4)
E: (5)
F: (6)
答案: 【 (3);
(5);
(6)】
8、多选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (1)
B: (4)
C: (2)
D: (3)
E: all correct
答案: 【 (1);
(4)】
9、多选题：
Considering dimensioning rule, choose the correct figure.
选项：
A: (2)
B: (4)
C: (1)
D: (3)
E: all correct
答案: 【 (2);
(4)】
10、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
11、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
12、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
13、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
14、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
15、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
16、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
17、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
18、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
19、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
20、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
21、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
22、判断题：
The dimensions shown in thef igure are correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
23、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
24、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
25、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 错误】
26、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
27、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
28、判断题：
The dimension shown in the figure is correct.
选项：
A: 正确
B: 错误
答案: 【 正确】
29、判断题：
The dimension shown in the figure is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
Chapter 10 Representations for workpieces (3)
Test 21 About cross sections
1、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (2)
B: (1)
C: (3)
D: (4)
答案: 【 (2)】
2、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (3)
B: (2)
C: (1)
D: None
答案: 【 (3)】
3、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (1)
B: (2)
C: (3)
D: None
答案: 【 (1)】
4、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (2)
B: (1)
C: (3)
D: (4)
答案: 【 (2)】
5、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (3)
B: (1)
C: (2)
D: (4)
答案: 【 (3)】
6、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: （3）
B: （1）
C: （2）
D: （4）
答案: 【 （3）】
7、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: （1）
B: （2）
C: （3）
D: （4）
答案: 【 （1）】
8、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: （1）
B: （2）
C: （3）
D: None
答案: 【 （1）】
9、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (1)
B: (2)
C: (3)
D: None
答案: 【 (1)】
10、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (2)
B: (1)
C: (3)
D: None
答案: 【 (2)】
11、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (3)
B: (1)
C: (2)
D: (4)
答案: 【 (3)】
12、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (1)
B: (2)
C: (3)
D: (4)
答案: 【 (1)】
13、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (3)
B: (1)
C: (2)
D: (4)
答案: 【 (3)】
14、单选题：
Choose the correct removed section.
(Single option: 10 points)
选项：
A: (1)
B: (2)
C: (3)
D: (4)
答案: 【 (1)】
15、判断题：
The removed section is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
16、判断题：
The removed section is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
17、判断题：
The removed section is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
18、判断题：
The removed section is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
19、判断题：
The revolved section is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
20、判断题：
The revolved section is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
21、判断题：
Based on China national standard GB/T, the revolved section is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
22、判断题：
The revolved section is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
23、判断题：
The revolved section is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
24、判断题：
The cross section is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
Test 22 About other representations
1、单选题：
Choose the correct front view.
(Single option: 10 points)
选项：
A: (1)
B: (2)
C: (3)
D: None
答案: 【 (1)】
2、单选题：
Choose the correct front view.
(Single option: 10 points)
选项：
A: (2)
B: (1)
C: (3)
D: None
答案: 【 (2)】
3、单选题：
Choose the correct front view.
(Single option: 10 points)
选项：
A: (1)
B: (2)
C: (3)
D: None
答案: 【 (1)】
4、单选题：
How many through holes are there on the upper and lower flanges?
(Single option: 10 points)
选项：
A: 8
B: 2
C: 4
D: 6
答案: 【 8】
5、单选题：
How many through holes are there on the upper and lower flanges?
选项：
A: 16
B: 4
C: 6
D: 8
答案: 【 16】
6、单选题：
Choose a set of views to represent partial view A and removed section B-B.
(Single option: 10 points)
选项：
A: (2)
B: (1)
C: (3)
D: (4)
答案: 【 (2)】
7、单选题：
What kind of representation method is used in view A?
(Single option: 10 points)
选项：
A: Partial view
B: Left side view
C: View of alternate position
D: None
答案: 【 Partial view】
8、单选题：
What kind of representation method is used in the view that is indicated by the arrowhead?
(Single option: 10 points)
选项：
A: Partial enlarged view
B: Enlarged view
C: Broken-out sectional view
D: None
答案: 【 Partial enlarged view】
9、单选题：
Which partial enlarged view of Ⅰ is correct?
(Single option: 10 points)
选项：
A: All answers are correct
B: Only (1) is correct
C: Only (2) is correct
D: None of them is correct
答案: 【 All answers are correct】
10、单选题：
Given the actual length of an object is 180 mm, which dimensioning is correct?
(Single option: 10 points)
选项：
A: (2)
B: (1)
C: All are correct
D: None is correct
答案: 【 (2)】
11、单选题：
What material is shown in the following object?
(Single option: 10 points)
选项：
A: Wood
B: Not determinable
C: Metallic material
D: Rubber
答案: 【 Wood】
12、单选题：
Which representation method is used in view A-A?
(Single option: 10 points)
选项：
A: Auxiliary sectional view
B: Broken-out sectional view
C: Cross section
D: Auxiliary view
答案: 【 Auxiliary sectional view】
13、单选题：
The view B is:
(Single option: 10 points)
选项：
A: Partial view
B: Top view
C: View of alternate position
D: Principal view
答案: 【 Partial view】
14、单选题：
Choose the front view that is properly presented.
(Single option: 10 points)
选项：
A: (2)
B: (1)
C: (3)
D: None
答案: 【 (2)】
15、单选题：
Which removed section is correct?
(Single option: 10 points)
选项：
A: (1)
B: (2)
C: (3)
D: (4)
答案: 【 (1)】
16、单选题：
Choose the correct frontal outside feature projection for the workpiece based on the front view and top view.
(Single option: 10 points)
选项：
A: (2)
B: (1)
C: All is correct
D: None is correct
答案: 【 (2)】
17、单选题：
Which representation method is used in view A-A?
(Single option: 10 points)
选项：
A: Full sectional view
B: Broken-out sectional view
C: Partial view
D: Cross section
答案: 【 Full sectional view】
18、判断题：
The view is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
19、判断题：
The enlarged scale of Ⅰ and Ⅱ must be identical if they are represented by partial enlarged views.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
20、判断题：
The following two set of views represent the same object.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
21、判断题：
The following three set of views represent the same object.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
22、判断题：
The following three set of views represent the same object.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
23、判断题：
The view is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
24、判断题：
The view is correct.
(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
Chapter 11 Screw thread structure
Test 23 About screw thread structure
1、单选题：
Five elements of screw thread include:(Single option: 10 points)
选项：
A: Thread form, nominal diameter, thread number, pitch, direction of revolution
B: Thread form, pitch diameter, thread number, pitch, direction of revolution
C: Thread form, nominal diameter, lead, pitch, direction of revolution
D: Thread angle, nominal diameter, lead, pitch, direction of revolution
答案: 【 Thread form, nominal diameter, thread number, pitch, direction of revolution】
2、单选题：
In the five elements of screw thread, three elements are the primary elements to determine a thread. As long as these three elements conform to standard, the screw thread is defined as standard thread. These three elements are: (Single option: 10 points)
选项：
A: Thread form, diameter, pitch
B: Thread form, direction of threads, number of threads
C: Thread form, diameter, direction of threads
D: Thread form, diameter, number of threads
答案: 【 Thread form, diameter, pitch】
3、单选题：
What is the shape of the Thread form for the metric thread?(Single option: 10 points)
选项：
A: Triangular
B: Rectangular
C: Trapezium
D: Buttress
答案: 【 Triangular】
4、单选题：
What is the thread angle of metric threads?(Single option:10 points)
选项：
A: 30°
B: 55°
C: 60°
D: 45°
答案: 【 60°】
5、单选题：
What is the thread angle of trapezoidal threads?(Single option: 10 points)
选项：
A: 30°
B: 60°
C: 45°
D: 55°
答案: 【 30°】
6、单选题：
The symbol of metric thread is:(Single option: 10 points)
选项：
A: M
B: B
C: Rc
D: Tr
答案: 【 M】
7、单选题：
The characteristic symbol of 55° non-sealing pipe thread is:(Single option: 10 points)
选项：
A: G
B: Rc
C: Rp
D: R1
答案: 【 G】
8、单选题：
The dimension in the figure is ( ) of the thread.
(Single option: 10 points)
选项：
A: Pitch diameter
B: Major diameter
C: Minor diameter
D: None
答案: 【 Pitch diameter】
9、单选题：
The external thread is shown as the figure. The green lines represent:
(Single option: 10 points)
选项：
A: Chamfer
B: Thread escape
C: Thread end
D: None
答案: 【 Chamfer】
10、单选题：
What kind of line type is used to describe the major diameter of the external thread? (Single option: 10 points)
选项：
A: Thick continuous line
B: Thin continuous line
C: Thin dashed line
D: Thick dashed line
答案: 【 Thick continuous line】
11、单选题：
What kind of line type is used to describe the minor diameter of the external thread?(Single option: 10 points)
选项：
A: Thin continuous line
B: Thick continuous line
C: Thin dashed line
D: Thick dashed line
答案: 【 Thin continuous line】
12、单选题：
In the sectional view, what kind of line type is used to describe the major diameter of the internal thread? (Single option: 10 points)
选项：
A: Thin continuous line
B: Thick continuous line
C: Thin dashed line
D: Thick dashed line
答案: 【 Thin continuous line】
13、单选题：
In the sectional view, what kind of line type is used to describe the thread end line of the internal thread? (Single option: 10 points)
选项：
A: Thick continuous line
B: Thin continuous line
C: Thin hidden line
D: Thick dashed line
答案: 【 Thick continuous line】
14、单选题：
Compared with standard screw threads, the representation of square thread(Single option: 10 points)
选项：
A: is to show square thread form by broken-out sectional view or partial enlarged view
B: has no difference
C: The square thread form is not necessary to be shown
D: Not clear
答案: 【 is to show square thread form by broken-out sectional view or partial enlarged view】
15、单选题：
When represent the connection of internal and external threads, the engaged portion is drawn according to: (Single option: 10 points)
选项：
A: External thread
B: Internal thread
C: No difference
D: Not clear
答案: 【 External thread】
16、单选题：
Judge, which one is correct?
(Single option: 10 points)
选项：
A: (3)
B: (2)
C: (1)
D: None
答案: 【 (3)】
17、判断题：
The nominal diameter of the metric thread is the pitch diameter of the thread.(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
18、判断题：
The nominal diameter of the pipe thread is the major diameter of the pipe.(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
19、判断题：
The nominal diameter of the pipe thread is the inner diameter of the pipe.(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
20、判断题：
The pitch of a thread is the axial distance between two corresponding points on the major diameter thread. (True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
21、判断题：
When the screw thread is made of multiple threads, the pitch = the lead × the number of threads. (True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
22、判断题：
If engage the internal thread and the external thread to form a thread pair, you only need to ensure the Thread form, the diameter and the pitch of the threads to be coincident.(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
23、判断题：
The pitch of coarse metric thread has many specifications.(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
24、判断题：
“RH” must be labelled and cannot be omitted in the right-hand thread designation.(True or False: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
25、判断题：
It is not necessary to show the chamfer in the end view (side view) of a thread.(True or false: 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
26、判断题：
The chamfer has to be shown in the end view (side view) of a thread.(True or false: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
27、判断题：
The major diameterof external thread is shown as 3/4 thin-line circle in the end view.(True or false: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
28、判断题：
The given drawing is correct. (True or false: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
29、判断题：
The given drawing is correct. (True or false: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
30、判断题：
The given drawing is correct.
(True or false: 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
Test 24 About screw thread structure
1、单选题：
Which figure correctly represents the intersection of two threaded holes?
(Single option: 10 points)
选项：
A: (2)
B: (1)
C: (3)
D: None
答案: 【 (2)】
2、单选题：
Which figure correctly represents the intersection of a threaded hole and a clearance hole? (Single option: 10 points)
选项：
A: (1)
B: (2)
C: (3)
D: None
答案: 【 (1)】
3、单选题：
Which figure is correct? (Single option: 10 points)
选项：
A: (2)
B: (1)
C: (3)
D: None
答案: 【 (2)】
4、单选题：
Which figure is correct?
(Single option: 10 points)
选项：
A: (2)
B: (1)
C: (3)
D: None
答案: 【 (2)】
5、单选题：
Based on the thread designation M10, this thread is: (Single option: 10 points)
选项：
A: Metric thread
B: Trapezoidal thread
C: Buttress thread
D: Sealing pipe thread
答案: 【 Metric thread】
6、单选题：
Based on the thread designation Tr48X16(P8)LH, this thread is: (Single option: 10 points)
选项：
A: Trapezoidal thread
B: Metric thread
C: Buttress thread
D: Non-sealing pipe thread
答案: 【 Trapezoidal thread】
7、单选题：
Which is the non-standard thread form?(Single option: 10 points)
选项：
A: Square thread
B: Metric thread
C: Trapezoidal thread
D: Buttress thread
答案: 【 Square thread】
8、单选题：
Based on the thread designation G1/2A, this thread is:(Single option: 10 points)
选项：
A: Non-sealing external pipe thread
B: Trapezoidal thread
C: Metric thread
D: Buttress thread
答案: 【 Non-sealing external pipe thread】
9、单选题：
Based on the thread designation M16X1-5g6g-S, this thread is(Single option: 10 points)
选项：
A: Fine metric thread
B: Coarse metric thread
C: Pipe thread
D: None
答案: 【 Fine metric thread】
10、单选题：
Based on the thread designation M16X1-5g6g-S, the pitch of this thread is(Single option: 10 points)
选项：
A: 1
B: 1.5
C: 0.5
D: 2
答案: 【 1】
11、单选题：
Based on the thread designation M16X1-5g6g-S, this thread is(Single option: 10 points)
选项：
A: Right-hand thread
B: Left-hand thread
C: Coarse thread
D: None
答案: 【 Right-hand thread】
12、单选题：
Based on the thread designation M16X1-5g6g-S, this thread is(Single option: 10 points)
选项：
A: External thread
B: Internal thread
C: Pipe thread
D: None
答案: 【 External thread】
13、单选题：
Based on the thread designation M16X1-5g6g-S, the symbol S means the screwing length is: (Single option: 10 points)
选项：
A: Short
B: Normal
C: Long
D: None
答案: 【 Short】
14、单选题：
Based on the thread designation M16X1-5g6g-S, the tolerance zone symbol for the pitch diameter of this thread is: (Single option: 10 points)
选项：
A: 5g
B: 6g
C: 5g6g
D: None
答案: 【 5g】
15、单选题：
With regard to the pipe thread of G 1/2, 1/2 is:(Single option: 10 points)
选项：
A: Size symbol
B: Minor diameter
C: Major diameter
D: None
答案: 【 Size symbol】
16、单选题：
With regard to the pipe thread of G 1/2, the unit of 1/2 is:(Single option: 10 points)
选项：
A: Millimeter
B: Inch
C: Centimeter
D: Meter
答案: 【 Inch】
17、多选题：
Which screw thread has triangular thread form? (Multiple options: 10 points)
选项：
A: Metric thread
B: 55° sealing pipe thread
C: 55° non-sealing pipe thread
D: Buttress thread
答案: 【 Metric thread;
55° sealing pipe thread;
55° non-sealing pipe thread】
18、多选题：
The commonly-used transmission threads mainly include:(Multiple options: 10 points)
选项：
A: Trapezoidal thread
B: Buttress thread
C: Metric thread
D: Pipe thread
答案: 【 Trapezoidal thread;
Buttress thread】
19、多选题：
The commonly used connection threads mainly include:(Multiple options: 10 points)
选项：
A: Metric thread
B: Pipe thread
C: Trapezoidal thread
D: Buttress thread
答案: 【 Metric thread;
Pipe thread】
20、多选题：
The main purposes of thread are: (Multiple options: 10 points)
选项：
A: Connection
B: Transmitting motion
C: Transmitting power
D: Fastening
答案: 【 Connection;
Transmitting motion;
Transmitting power;
Fastening】
21、多选题：
The square thread shown with broken-out sectional view aims at: (Multiple options: 10 points)
选项：
A: representing the thread form
B: dimensioning conveniently
C: showing it is non-standard thread form
D: Not clear
答案: 【 representing the thread form;
dimensioning conveniently;
showing it is non-standard thread form】
22、多选题：
According to the following figure, what dimensions should be labelled for metric thread?
(Multiple options: 10 points)
选项：
A: Nominal diameter
B: Length of the thread
C: Chamfer size (if any)
D: Thread escape (if any)
答案: 【 Nominal diameter;
Length of the thread;
Chamfer size (if any);
Thread escape (if any)】
23、多选题：
Choose the figures those show the escape dimensions correctly.
(Multiple options: 10 points)
选项：
A: (1)
B: (2)
C: (3)
D: None
答案: 【 (1);
(2);
(3)】
24、判断题：
Based on the thread designation G 1/2 A, this thread is an external pipe thread.(True or False 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
25、判断题：
Based on the thread designation G1/2A, this thread is an internal pipe thread.(True or False 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
26、判断题：
Based on the thread designation M16X1-5g6g-S, the major diameter of this thread is 16.(True or False 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
27、判断题：
The nominal diameter of a metric thread is the major diameter of the thread.(True or False 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
28、判断题：
The dimensioning style of the chamfer size is correct.
(True or False 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
29、判断题：
The dimensioning in the figure is correct.
(True or False 10 points)
选项：
A: 正确
B: 错误
答案: 【 错误】
30、判断题：
The dimensioning in the figure is correct.
(True or False 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
31、判断题：
The thread dimensioning is correct. Given coarse metric thread: major diameter is 16mm, pitch is 2, the tolerance zone symbols of pitch diameter and major diameter are 5g and 6g, the length of the thread is 20mm, right-hand thread.
(True or False 10 points)
选项：
A: 正确
B: 错误
答案: 【 正确】
32、填空题：
Based on the thread designation M20, choose a word in the parenthesis to fill the blank (coarse thread, fine thread).This thread is _____. (Fill the blank 10 Points)
答案: 【 coarse thread】
33、填空题：
Based on the thread designation M20, look up any Handbook of Mechanical Design to determine the pitch of this thread, it is _______. (Fill the blank 10 Points)
答案: 【 2.5】
34、填空题：
Based on the thread designation M20, choose a word in the parenthesis to fill the blank (left-hand thread, right-hand thread).This thread is _____. (Fill the blank 10 Points)
答案: 【 right-hand thread】
35、填空题：
Based on the thread designation M20, the major diameter of this thread is _____.(Fill the blank 10 Points)
答案: 【 20】
36、填空题：
Based on the thread designation Tr40X14(P7)LH-8e, choose a word in the parenthesis to fill the blank (single start, two starts).This thread is _____. (Fill the blank 10 Points)
答案: 【 two starts】
37、填空题：
Based on the thread designation Tr40X14(P7)LH-8e, the pitch of this thread is _____.(Fill the blank 10 Points)
答案: 【 7】
38、填空题：
Based on the thread designation Tr40X14(P7)LH-8e, the lead of this thread is _____.(Fill the blank 10 Points)
答案: 【 14】
39、填空题：
Based on the thread designation Tr40X14(P7)LH-8e, choose a word in the parenthesis to fill the blank (left-hand, right hand).This thread is _____ thread. (Fill the blank 10 Points)
答案: 【 left-hand】
40、填空题：
Based on the thread designation Tr40X14(P7)LH-8e, choose a word in the parenthesis to fill the blank (external thread, internal thread