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A Stair turning through one right angle is known as a _______ stair.(a) Quarter- turn(b) Half-turn(c) Dog-legged(d) Open navelThis question was addressed to me in class test.This interesting question is from Types of Stairs topic in division Arches, Lintels, Stairs and Formwork of Construction & Building Materials

Answer»

The CORRECT choice is (a) QUARTER- TURN

To explain: Quarter Turn steps are commonly USED in public buildings near their entrance hall. The stairs has a wider FLIGHT at the bottom which bifurcates into two narrower flights at the landing, one turning to the left and other to the right.



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