Building Materials Technology 34.Permissible compressive strength of M 200 concrete grade is A.100 kg/cm B.150 kg/cm C.200
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Building Materials Technology
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34.Permissible compressive strength of M 200 concrete grade is A.100 kg/cm² B.150 kg/cm² C.200 kg/cm² D.250 kg/cm² E300 kg/cm² 35. The shrinkage of concrete A.is proportional to water content is the mix B.is proportional to cement concrete C.increases with age of concrete Dall the above. 36.High temperature A increases the strength of concrete B. decreases the strength of concrete Chas no effect on the strength of concrete D.none of these 37. The bulk density of aggregates does not depend upon: A.size and shape of aggregates B. specific gravity of aggregates C.grading of aggregates D.size and shape of the container E, none of these. 38.If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, 6 kg, 4 kg respectively, the fineness modulus of the aggregate, is 7.30 7.35 7.40 D.7.45 E, none of these 39.Pick up the correct statement from the following: A.Insufficient quantity of water makes the concrete mix harsh B. Insufficient quantity of water makes the concrete unworkable C.Excess quantity of water makes the concrete segregated D.Excess quantity of water causes bleeding in concrete E. All the above. 34.Permissible compressive strength of M 200 concrete grade is A.100 kg/cm² B.150 kg/cm² C.200 kg/cm² D.250 kg/cm² E300 kg/cm² 35. The shrinkage of concrete A.is proportional to water content is the mix B.is proportional to cement concrete C.increases with age of concrete Dall the above. 36.High temperature A increases the strength of concrete B. decreases the strength of concrete Chas no effect on the strength of concrete D.none of these 37. The bulk density of aggregates does not depend upon: A.size and shape of aggregates B. specific gravity of aggregates C.grading of aggregates D.size and shape of the container E, none of these. 38.If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, 6 kg, 4 kg respectively, the fineness modulus of the aggregate, is 7.30 7.35 7.40 D.7.45 E, none of these 39.Pick up the correct statement from the following: A.Insufficient quantity of water makes the concrete mix harsh B. Insufficient quantity of water makes the concrete unworkable C.Excess quantity of water makes the concrete segregated D.Excess quantity of water causes bleeding in concrete E. All the above.
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Related Book For
Probability And Statistics For Engineering And The Sciences
ISBN: 9781305251809
9th Edition
Authors: Jay L. Devore
Posted Date:
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