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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

发布时间：2024-05-06 19:11:19

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相关试题

1.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
2.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
3.The civil engineering drawings include 选项： A、Multi-plane orthogonal projection drawings B、Perspective projection drawings C、Elevation Projection Drawings D、Axonometric Projection Drawings E、Parallel projection drawings F、Inclined projection drawings
4.The civil engineering drawings include选项： A:Multi-plane orthogonal projection drawings; B:Perspective projection drawings ; C:Elevation Projection Drawings; D:Axonometric Projection Drawings; E:Parallel projection drawings; F:Inclined projection drawings
5.The projection methods do not include选项： A:central projection method; B:perspective projection method; C:parallel projection method; D:inclined projection method
6.The parallel projection method include 选项： A、Oblique projection method B、Orthographic projection method C、Elevation Projection method D、Multi-plane Projection method
7.Which of the following statements is correct about using the method of transforming projection planes to find the inclination angle of the general position line to the projection plane?选项： A:When calculating α, the new projection axis (O1X1) should be placed parallel to ab; B:When calculating α, the new projection axis (O1X1) should be placed parallel to a'b'; C:When calculating β, the new projection axis (O1X1) should be placed parallel to ab; D:When calculating β, the new projection axis (O1X1) should be placed parallel to a'b'
8.If the projection of a cylinder on the projection plane perpendicular to its axis is a circle, the other two projections are ( ) 选项： A:circle B:rectangle C:line D:circle and rectangle
9.Electric field vector vibrates in only one plane and perpendicular to the direction of propagation in what light ( )选项： A:neither plane polarised & nor unpolarised B:plane polarised C:both plane polarised & unpolarised D:unpolarised
10.Which of the usages of center lines in views are correct?选项： A:Express axis of solids of revolution. B:Show the projection of symmetric plane of a solid in a certain direction C:Express crossed center lines of circular projections D:Express invisible outlines
11.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
12. Multi-plane orthogonal projection drawings are most commonly used as schematic drawings . 选项： A、正确 B、错误
13.Which of the usages of center lines in views are correct?选项： A:Express crossed center lines of circular projections B:Express axis of solids of revolution. C:Express invisible outlines D:Show the projection of symmetric plane of a solid in a certain direction
14.In a view, there are two adjacent frames which have one line in common, what of the geometrical elements that the frames may stand for? 选项： A:Two parallel planes B:A plane and a circular surface C:Two circular surfaces D:Two intersecting planes
15.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
16.What kind of projection is the most commonly used in mechanical engineering选项： A:orthographic projection B:point projection C:oblique projection D:central projection
17.Which of the following statements are correct for unsymmetric bending?选项： A:It doesn’t require such a symmetry plane for the loads; B:The resultant moment is no longer parallel to the neutral axis; C:The lateral deflection is perpendicular to the neutral axis; D:The resultant moment is perpendicular to the loading plane

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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

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