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When the receding lines are true length, and the projectors are at 45 degrees to the plane of projection, the oblique drawing is called ______________(a) oblique projection(b) isometric projection(c) axonometric projection(d) cavalier projectionI have been asked this question by my school principal while I was bunking the class.The question is from Oblique Projection topic in chapter Development of Surfaces, Isometric Projections, Perspective Projections & Transformation of Projections of Civil Engineering Drawing

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Right ANSWER is (d) cavalier projection

The best I can explain: Cavalier projection is a FORM of oblique projection in which the projection lines are presumed to MAKE a 45-degree vertical and a 45-degree horizontal angle with the plane of projection.Assume that in FIGURE below the line XX’represents aside-edge view of the plane of projection and that the square ABCD represents a side of a cube, placed with its front face parallel to,and its TOP face perpendicular to,the plane of projection.You can see that the projected lengths of AB and AD are the same as the actual lengths.



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