Concrete Technology MCQs Set-2

March 19, 2021

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1. The fineness modulus of an aggregate is roughly proportional to

2. The percentage of voids in cement is approximately

3. The slump test of concrete is used to measure its

4. Curing period required is minimum for the concrete using

5. According to IS: 456-1978, the column or the strut is the member whose effective length is greater than

6. The presence of entrained air in concrete results in

i) reducing bleeding

ii) lowering density of concrete

iii) decreasing strength at all ages

The correct answer is

7. Addition of sugar in concrete (about 0.05% of weight of cement) results in

8. Low percentage of tricalcium silicate and high percentage of dicalcium silicate in cement result in

9. The function of aggregates in concrete is to serve as

10. The admixtures are added in concrete to


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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