ENGINEERING GRAPHICS

The internal angle of regular pentagon is degree.

• 72

• 108

• 120

• 150

The internal angle of regular hexagon is degree

• 72

• 108

• 120

• 150

The following is not included in title block of drawing sheet

• Sheet No

• Scale

• Method of Projection

• Size of sheet

Which of the following represent reducing scale?

• 1:1

• 1:2

• 2:1

• ) 10:1

The following line is used for dimension line

• Chain thin line

• Continuous thick

• Continuous thin

• Short zigzag line

The dotted lines represents

• Hidden edges

• Projection line

• Center line

• Hatching line

The Length: Width in case of an arrowhead is

• 1:1

• 2:1

• 3:1

• ) 4:1

Metric thread of 10 mm

diameter is represented by

• 10M

• M10

• M^10

• None of the above

Curves obtained by the intersection of a right circular cone by a plane at different angles are called as .

• Cycloid

• Helix

• Spirals

• Conic sections

When a cone is cut by a plane which is perpendicular to the axis of the cone and cuts all the generators but does not pass through the apex the section obtained is a

• Circle

• Ellipse

• Parabola

• Hyperbola