Concrete Technology And Design Set 12

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This set of Concrete Technology and Design Multiple Choice Questions & Answers (MCQs) focuses on Concrete Technology And Design Set 12

Q1 | After casting, an ordinary cement concrete on drying
Q2 | The most commonly used admixture which prolongs the setting and hardening time is
Q3 | For given water content, workability decreases if the concrete aggregates contain an excess of
Q4 | The process of proper and accurate measurement of concrete ingredients for uniformity ofproportion, is known
Q5 | The load factors for live load and dead load are taken respectively as
Q6 | The mixture of different ingredients of cement, is burnt at
Q7 | In case of hand mixing of concrete, the extra cement to be added is
Q8 | If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentageof water is,
Q9 | The percentage of voids in cement is approximately
Q10 | Water required per bag of cement, is
Q11 | The recommended value of modular ratio for reinforced brick work is
Q12 | For an ordinary Portland cement
Q13 | The ratio of the diameter of reinforcing bars and the slab thickness is
Q14 | Pozzolana cement is used with confidence for construction of
Q15 | Pick up the correct statement from the following:
Q16 | The operation of removing humps and hollows of uniform concrete surface, is known as
Q17 | 1% of voids in a concrete mix would reduce its strength by about
Q18 | For a continuous slab of 3 m × 3.5 m size, the minimum overall depth of slab to satisfy verticaldeflection limits is
Q19 | The most useless aggregate is one whose surface texture is
Q20 | The shrinkage of concrete
Q21 | The maximum thickness of concrete floor of a cement warehouse, is
Q22 | Too wet concrete may cause
Q23 | Maximum percentage reinforcement in case of slabs is limited to
Q24 | The commonly used material in the manufacture of cement is
Q25 | According to I.S. : 456, the number of grades of concrete mixes, is