Question

What is the general application of the line shown below?

(a) Hidden edges

(b) Extension

(c) Cutting planes

(d) Projection

This question was posed to me during an interview for a job.

I want to ask this question from Lines, Lettering and Dimensioning in section Lettering Practice, Scales & Curves of Civil Engineering Drawing

Answer 1

The correct choice is (c) Cutting planes

Easiest explanation: Cutting plane lines represents a plane or planes in which a sectional view is taken. The arrow indicates the direction of cutting the section. Here the upper or front portion of the section will be visible (in the diagram above).