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DESIGN OF CONCRETE STRUCTURES - I MCQ's

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  DESIGN OF CONCRETE STRUCTURES - I MCQ   Unit 1: Introduction  1) The maximum compressive strain in concrete in axial compression is taken as  A. 0.001  B. 0.002  C. 0.003  D. 0.040  ANSWER: B  2) The flexural strength of concrete is given by  A. 0.6√fck  B. 0.7√fck  C. 0.5√fck  D. 0.8√fck  ANSWER: B  3) Tolerance on placing the reinforcement for effective depths 200 mm or less is  A. +/-5mm  B. +/-6mm  C. +/-8mm  D. +/-10mm  ANSWER: D  4) Tolerance on placing the reinforcement for effective depths more than 200 mm is  A. +/-5mm  B. +/-6mm  C. +/-8mm  D. +/-10mm  ANSWER: A  5) The minimum frequency of sampling of concrete of each grade for 1-5m3 shall be  A. 1  B. 2  C. 3  D. 4  ANSWER: A  6) The minimum frequency of sampling of concrete of each grade for 51m^3 and above shall be……samples.  A. 4 + one additional for each 50m3  B. 5 + one additional for each 50m3  C. 6 + one additional for each 50m3  D. 4 - on