Concrete Technology MCQs Set-2

March 19, 2021

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1. The admixtures are added in concrete to

2. Normally, when ordinary Portland cement hydrates

3. The maximum particle size of coarse aggregate is

4. The approximate value of the ratio between direct tensile strength and flexural strength is

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

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. According to IS:456-1978, the flexural strength of concrete is

8. Which of the following ingredient of cement when added in excess quantity, causes the cement to set slowly?

9. For a structure subjected to the action of sea water, the cement used is

10. If the slump of concrete mix is 70mm, its workability is considered to be


 

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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.

1 Response

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    December 13, 2025 at 8:05 pm

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