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How many layers of flat tiles are placed in Madras terrace roofs?(a) 2(b) 4(c) 0(d) 3I had been asked this question during an interview.This is a very interesting question from Roof Types topic in division Building Construction of Basic Civil Engineering

Answer»

The correct choice is (d) 3

Best explanation: In MADRAS terrace roof, FIRSTLY wooden JOISTS are placed over steel joists or walls. Then, a course of well burnt bricks is placed in the lime MORTAR, followed by a layer of brick bat concrete. Then 3 layers of flat tiles in the lime mortar (1:2) is provided and the roof is finished with 3 coats of PLASTER.



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