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**ENGINEERING GRAPHICS LAB VIVA Questions with Answers :-**

- What do you mean by orthographic and oblique projection?
- What are principle plane of projection?
- What do you mean by four quadrants?
- What do you mean by first angle and third angle projection systems?
- Normally projection in 1st angle or 3rd angle projection system. Why not in IInd and IVth angle projection systems.
- Students should know to draw the projection of a point, when point lies in either of four quadrants.
- What do you mean by HT & VT of a line and a plane? What is difference in the shape of trace of line and trace of a plane.
- What are different types of planes?
- What are auxiliary planes? What is use of these planes?
- What is difference between line, plane and solid?
- What is difference between prism and pyramid?
- What do you mean by right & regular prism, pyramid, cone & cylinder?
- What is difference between cone & cylinder?
- What do you mean by generator of a cone?
- What is difference between frustum of a cone and truncated cone?
- Why a section of a section of machine part is taken.
- Students should know to find true length and true inclination of a line when projection of a line when projections of a line are given and vice-versa.
- What are standards specification of drawing board, drawing sheets, and pencils.
- What is difference between true inclination of a line and apparent angles.