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Why can not use second angle and four angle projection method in Engineering drawing?
Wiki User
∙ 12y ago
Because in second angle both quaderent comes negative that's why we cant use second angle method
Wiki User
∙ 12y ago
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In 1st angle projection the front view will be in the top of the xy plane and the top view will be in the bottom of the xy plane .In 3rd angle projection the top view will be in the top of the xy plane and front view will be in bottom of the xy plane. dis will give a clear view.i hope u know dis... but in 2 angle projection both the views(front and top) will be in the top of the xy plane and in 4th angle projection both the views (front and top) will be in the bottom of the xy plane... since both the views will be in one side of the xy plane, its not possible to draw... both views will merge... to get more clear view, refer any basic engineering drawing book.......
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because in 2nd and 4th angle,both the view is going to overlap with each other,so we cant able to visualise the drawing properly,so we are not drawing in 2nd and 4th angle. kash answer kash_115@yahoo.com
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