In stair construction, what does the term 'string' refer to?

Building Materials and Construction MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Building Materials and Constructioncivil-engineering-mcqs › building-materials-and-construction
Published
11 Jan 2019
Last updated
28 May 2026

Browse all Building Materials and Construction MCQs

Choose the correct answer

Explanation

Option A refers to the underside of the stair. Option B describes the overhanging front edge of a tread. Option C correctly identifies the string as the sloped component that supports the stair steps. Option D is the vertical member between treads.

PakQuizHub — free MCQs and past papers for Pakistan government job tests. Content is for educational practice only.