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Arch in cement concrete jack flooring is made of __________ cement concrete.(a) 1:2:4(b) 1:3:4(c) 1:2:3(d) 2:3:4The question was posed to me in an online quiz.My enquiry is from Types of Upper Floors topic in section Floors and Flooring of Construction & Building Materials

Answer»

Right ANSWER is (a) 1:2:4

The explanation is: Arch in cement concrete jack flooring is made of 1:2:4 cement concrete. The arches are supported on the LOWER flanges of MILD steel joists. The method of construction of cement concrete jack FLOORS is COMPARATIVELY easy.



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