Q. The most commonly used admixture which prolongs the setting and hardening time is
✅ Correct Answer: (A)
gypsum
Concrete Technology and Design MCQs | Page - 3
Dear candidates you will find MCQ questions of Concrete Technology and Design here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. For given water content, workability decreases if the concrete aggregates contain an excess of
✅ Correct Answer: (D)
all the above
Q. The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known
✅ Correct Answer: (D)
batching
Q. The load factors for live load and dead load are taken respectively as
✅ Correct Answer: (B)
2.2 and 1.5
Q. The mixture of different ingredients of cement, is burnt at
✅ Correct Answer: (C)
1400°c
Q. In case of hand mixing of concrete, the extra cement to be added is
✅ Correct Answer: (B)
10 %
Q. If 1500 g of water is required to have a cement paste 1875 g of normal consistency, the percentage of water is,
✅ Correct Answer: (B)
25 %
Q. The percentage of voids in cement is approximately
✅ Correct Answer: (B)
40 %
Q. Water required per bag of cement, is
✅ Correct Answer: (D)
35 kg
Q. The recommended value of modular ratio for reinforced brick work is
✅ Correct Answer: (C)
40
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