Question

The surfaces of which intersect one another in lines which are called line of intersection.

(a) True

(b) False

This question was posed to me in a national level competition.

This intriguing question originated from Intersection of Surfaces topic in portion Development & Intersection of Surfaces of Engineering Drawing

Answer 1

Right choice is (a) True

Explanation: In engineering practice, objects constructed may have constituent parts, the surfaces of which intersect one another in line which are called line of intersection. A dome fitted on a boiler is one such example. The surface of the dome extends up to the line of intersection only.