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起止时间:2020-12-21到2021-03-15
更新状态:已完结
Chapter 1 The basic knowledge of projection theory Week 1 Unit test
1、 What is the correct alignment of the three views of the third angle projection
A:The top view is directly above the front view
B:The top view is directly to the right of the front view
C:The top view is directly below the front view
D:The top view is directly to the left of the front view
答案: The top view is directly above the front view
2、 What is the correct alignment of the three views of the first angular projection
A:The left view is directly to the left of the main view
B:The left view is directly to the right of the main view
C:The left view is directly below the main view
D:The left view is directly above the main view
答案: The left view is directly to the right of the main view
3、 What kind of projection does elevation projection belong to
A:One side oblique projection
B:Polyhedral oblique projection
C:multiple-plane projection
D:Unilateral orthographic projection
答案: Unilateral orthographic projection
4、 What is the correct alignment of the three views of the first angular projection
A:The top view is directly to the left of the front view
B:The top view is to the right of the front view
C:The top view is directly below the front view
D:The top view is directly above the front view
答案: The top view is directly below the front view
5、 Which of the following are the basic properties of parallel projectio
A:similarity
B:Parallelism
C:accumulation
D:reality
答案: similarity;
Parallelism;
accumulation;
reality
6、 In the three views of the first angular projection, which corresponding relationship between the view and the object orientation is correct
A:In the top view, the side away from the main view is in front of the object
B:In the top view, the side away from the main view is behind the object
C:In the left view, the side away from the main view is in front of the object
D:In the left view, the side away from the main view is behind the object
答案: In the top view, the side away from the main view is in front of the object;
In the left view, the side away from the main view is in front of the object
7、 What is the correct relationship between view and object orientation in three views
A:The left view reflects the left, right, up and down of the solid
B:The left view reflects the front, back, up and down of the solid
C:The top view shows the top, bottom, left and right of the solid
D:The top view shows the front, back, left and right of the solid
答案: The left view reflects the front, back, up and down of the solid;
The top view shows the front, back, left and right of the solid
8、 In the third angle projection of the three views, which corresponding relationships between the view and the object orientation are correct
A:In the right view, the side away from the front view is the back of the solid
B:In the right view, the side away from the front view is the front of the solid
C:In the top view, the side away from the front view is the front of the solid
D:In the top view, the side away from the front view is the back of the solid
答案: In the right view, the side away from the front view is the back of the solid;
In the top view, the side away from the front view is the back of the solid
Chapter 2 Point, Line, Plane Week 2 Unit test
1、 Given the coordinates of C (0, 0, 10), the correct projection of C is
A:
B:
C:
D:
答案:
2、 What is the correct projection of the following A and B？
A:
B:
C:
D:
答案:
3、 If the coordinates of the point are known as (10, 20, 30), the position of the point is
A:30 from H-plane
B:20 from H-plane
C:10 from V-plane
D:30 from W-plane
答案: 30 from H-plane
4、 It is known that among the four points A (30, 20, 15), B (40, 20, 15), C (30, 20, 10) and D (40, 10, 15), Which two points have the same projection on the W-plane?
A:Point A and point B (point A is not visible)
B:Point C and point D (point D is not visible)
C:Point A and point B (point B is not visible)
D:Point B and point D (point B is not visible)
答案: Point A and point B (point A is not visible)
5、 It is known that A (50, 40, 15), B (20, 45, 30) and C (45, 15, 37)，please sort the positions of the 3 points from back to front.
A:C、A、B
B:A、B、C
C:B、C、A
D:C、B、A
答案: C、A、B
6、 Given the point A (20, 25, 30), point B and point A are symmetric with respect to the V-plane. What are the coordinates of point B?
A:（20，-25，30）
B:（20，25，-30）
C:（-20，25，30）
D:（-20，-25，-30）
答案: （20，-25，30）
7、 Given point A (25, 20, 45) and point B (30, 30, 35), the relative positions of these two points should be
A:Point A is on the right, back and top of point B
B:Point A is on the right, front and bottom of point B
C:Point B is on the left, front and top of point A
D:Point A is on the left, back and top of point B
答案: Point A is on the right, back and top of point B
8、 Given points c (10, 0, 5) and D (10, 8, 5), the relative positions of these two points should be
A:Point D is in front of point C
B:Point C is in front of point D
C:Point D is to the right of point C
D:Point D is above point C
答案: Point D is in front of point C
9、 The name of line AB should be
A:W-perpendicular line
B:Line parallel to V-plane
C:Line parallel to H-plane
D:Line parallel to W-plane
答案: W-perpendicular line
10、 The name of the line CD should be
A:H-perpendicular line
B:Line parallel to V-plane
C:Line parallel to H-plane
D:Line parallel to W-plane
答案: H-perpendicular line
11、 Which of the following statements is correct?
A:AB is the line parallel to H-plane, CD is the line parallel to V-plane, EF is the line parallel to W-plane, GH is the W-perpendicular line
B:AB is the line parallel to H-plane, CD is the line parallel to V-plane, EF is the line parallel to V-plane, GH is the line parallel to H-plane
C:AB is the line parallel to V-plane, CD is the line parallel to H-plane, EF is the line parallel to V-plane, GH is the line parallel to V-plane
D:AB is the line parallel to H-plane, CD is the line parallel to H-plane, EF is the line parallel to V-plane, GH is the W-perpendicular line
答案: AB is the line parallel to H-plane, CD is the line parallel to V-plane, EF is the line parallel to W-plane, GH is the W-perpendicular line
12、 13. Draw a line parallel to H-plane from point A to the front left. The length of the line is 10 mm, β= 30°. Which of the following is correct?
A:
B:
C:
D:
答案:
13、 How many planes perpendicular to horizontal plane can be made including the line parallel to H-plane?
A:Countless
B:1
C:2
D:3
答案: 1
14、 The edge of the line reflecting the maximum slope to the H-plane in the projection is
A:AB
B:AC
C:BC
D:none
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