Centre lines, section lines are drawn using __ pencil.

A)
H
B)
2H
C)
HB
D)
3H or 4H

Correct Answer : Option (D) :   3H or 4H

Explanation : Centre lines, section lines are drawn using 3H or 4H pencil. Outlines, dotted lines, section-plane lines, dimension lines and arrow heads are drawn using 2H. These different pencils give different shades which give different importance to lines in drawing.

Recently Updated in Engineering Drawing Questions
The Press-Pull tool will ________ the face of a solid model in the direction it faces.
A)
Spiral
B)
Extrude
C)
Taper
D)
None of the above

Correct Answer :   Extrude

Architectural drafters generally prefer to use ________ drawings to help illustrate 3-dimensional views of a structure.
A)
Perspective
B)
Auxiliary
C)
Isometric
D)
Orthographic

Correct Answer :   Perspective

This is used to indicate that a surface is to be machined:
A)
Machining mark
B)
Finish mark
C)
Coordinate mark
D)
Roughness indicator

Correct Answer :   Finish mark

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