A short, unbroken line with an arrowhead at one end indicating whether stairs are ascending or descending is called a ______ .
A) main object line
B) dimension line
C) stair indicator
D) centerline

Question

Quizplus · Accepted Answer

The description provided matches that of a stair indicator, which is a commonly used symbol in architectural drawings to indicate the vertical direction of stairs. Choice A (main object line) is incorrect because it refers to a continuous line used to outline the shape of an object in a drawing. Choice B (dimension line) is incorrect because it is a line indicating the measurement of an object or distance in a drawing. Choice D (centerline) is incorrect because it is a line that represents the center of an object or feature in a drawing.

A Short, Unbroken Line with an Arrowhead at One End