Question

In ___________________ floors, the intermediate supports, known as the binders, provided for the bridging joists.

(a) Single joists timber floor

(b) Double joists timber floor

(c) Bridging joists

(d) Triple Joist timber floor

Answer 1

Right choice is (b) Double joists timber floor

For explanation I would say: The binders are generally placed at the centre to Centre distance of 1.8 metre to 2.4 meters. The ends of Binder rest on the wooden or stone blocks. The double joist Timber floor are stronger than the single joist Timber floor.