Concrete Technology MCQs Set-2

March 19, 2021

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1. For the manufacture of concrete of low density, the aggregate used is

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

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

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

5. According to IS: 456-1978, the maximum water-cement ratio in plain concrete to ensure durability in mild exposure is limited to

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

7. 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

8. The admixtures are added in concrete to

9. Normally, when ordinary Portland cement hydrates

10. The maximum particle size of fine aggregate is


 

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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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