In engineering drawing auxiliary views are used to show details of :

The area occupied by A0 ( drawing sheet ) is ……………… times the area occupied by A1 (drawing sheet )

One plane projection is

The point of intersection of the co-ordinate axis is called

Orthographic projection means :

In the case of dimetric projection

In the case of orthographic projection, the number of views generally used are

The dimension lines are marked in a building drawing with: