For given water content, workability decreases if the concrete aggregates contain an excess of

Related MCQs

• Workability of concrete for a given water content is good if the aggregates, are
• If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is
• If X, Y and Z are the fineness modulli of coarse, fine and combined aggregates, the percentage (P) of fine aggregates to combined aggregates, is
• An excess of flaky particles in concrete aggregates
• If the various concrete ingredients i.e. cement, sand and aggregates are in the ratio of 1:3:6, the grade of concrete, is
• Workability of concrete mix with low water cement ratio is determined by
• For given workability the grading requiring the least amount of water is one that gives
• If a grading curve is horizontal between the portions of 20 mm I.S. Sieve and 4.75 mm I.S. Sieve, the graded aggregates do not contain
• The type of aggregates of same nominal size, which contain less voids when compacted, are
• For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be