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The clearing spacing of the ribs in ribbed flooring should not exceed ________(a) 10 cm(b) 20 cm(c) 40 cm(d) 50 cmThe question was posed to me during an internship interview.My question is taken from Types of Upper Floors topic in division Floors and Flooring of Construction & Building Materials

Answer» RIGHT ANSWER is (d) 50 cm

For EXPLANATION I would say: In ribbed flooring, the ribs are closely spaced and the clearing spacing of the ribs should not exceed 50 cm. It depends on the SIZE of the hollow blocks AVAILABLE.


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