Q. The development of first 28 days strength is on account of the hydration of ?
✅ Correct Answer: (B)
tricalcium silicate
Concrete Technology MCQs | Page - 53
Dear candidates you will find MCQ questions of Concrete Technology 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. Bulking of sand is ?
✅ Correct Answer: (C)
increase in volume of sand due to presence of moisture upto certain extent
Q. The presence of ............. in water has an adverse effect on the setting time of cement ?
✅ Correct Answer: (A)
sodium carbonate and bicarbonate
Q. For mass concrete in piers and abutments, the grade of concrete mix used, is ?
✅ Correct Answer: (D)
1:3:6
Q. The fineness of cement is measured in terms of ?
✅ Correct Answer: (C)
either (a) or (b)
Q. Under normal circumstances, the beam soffits may be removed after ?
✅ Correct Answer: (B)
7 days
Q. The proportion of lime, silica, alumina and iron oxide in a good Portland cement should be ?
✅ Correct Answer: (A)
63:22: 6:3
Q. If the proportions of different ingredients (cement, sand and aggregate) are in the ratio of 1:2:4, then the grade of concrete is ?
✅ Correct Answer: (B)
M 15
Jump to