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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 |
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Answer» Right ANSWER is (a) 1:2:4 |
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