Question

______________ floors consists of single joist which are placed below the floor boards.

(a) Single joint timber floor

(b) Single joist timber floor

(c) Single timber floor

(d) Joist Floor

Answer 1

Right choice is (b) Single joist timber floor

Explanation: The joists are usually placed at the centre to Centre distance of 300 mm to 450 mm. The joists are supported on the wall plates at their ends. The space of about 50 mm is kept for the circulation of the air.