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When a plane surface is inclined to any plane of projection, the view of the plane surface projected on it will be its ____________(a) point shape(b) true shape(c) straight line(d) apparent shapeThis question was addressed to me by my college director while I was bunking the class.My question is from Projections of Planes in section Orthographic Projection, Projections of Lines, Planes and Solids of Civil Engineering Drawing

Answer»

Correct choice is (d) apparent shape

To explain I WOULD say: An inclined surface is a surface that is perpendicular to one of the PRINCIPAL planes, and is at some angle to the remaining two principal planes. As such, an inclined surface will always appear as a line in one of the principal views and as a foreshortened AREA in the other two views. An inclined surface will not appear TRUE size in a principal VIEW.



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