Question

The line given below is used for____________

(a) Long-break line

(b) Cutting planes

(c) Centroidal lines

(d) Out lines of adjacent parts

The question was asked in an interview for internship.

This intriguing question comes from Different Types of Lines topic in section Lines, Lettering and Dimensioning of Engineering Drawing

Answer 1

Correct option is (a) Long-break line

For explanation I would say: Lines used to represent cutting planes is chain thin (narrow) with thick (wide) at the ends and at changing of position, lines used to represent centroidal lines and outlines of adjacent parts are chain thin double-dashed or long-dashed double-dotted (narrow).