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The outer projection on the tread of a stair is:

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The outer projection on the tread of a stair is:

(a) Going

(b) Outcrop

(c) Bulge

(d) Nosing

I got this question during an online exam.

The above asked question is from Components of Building topic in portion Building Construction of Basic Civil Engineering

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Right option is (d) Nosing

Easy explanation: A small projection is provided in the tread of a stair.  Tread is the horizontal distance of one step. Nosing is the term used to describe that little projection.

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