1. Civil Engineering
  2. Engineering Graphics
  3. The first and the third quadrants are al...

The first and the third quadrants are always opened out while rotating the planes.

A. true
B. false
Answer» A. true
Explanation: according to the standards it is made that the planes rotate in a clockwise direction while drawing the orthographic projections of objects on the different quadrant. so as the horizontal rotates 90 degrees in clockwise with respect to reference line the views in 2nd and 4th quadrants overlap but in 1st and 3rd the views will not coincide so they are said to be opened.
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