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In ______________ floors, intermediate supports, known as the girders, provided for the binders.(a) Single Joist timber floor(b) Double joists timber floor(c) Triple Joist timber floor(d) Tetra Joist timber floorThis question was posed to me during an online exam.My question is taken from Floors and its Types in portion Floors and Flooring of Construction & Building Materials

Answer»

The correct choice is (c) Triple Joist timber floor

Explanation: The Triple Joist timber floor consists of GIRDERS, binders, a bridging JOISTS and floor boards. The girders are generally placed at a CENTRE to Centre DISTANCE of 3 METERS. The binders are staggered and connected to the girders by tusk and tenon joints.



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