Concrete Technology MCQs Set-2

March 19, 2021

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

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

3. 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

4. Calcareous material used in the manufacture of cement consist of

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

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

7. The maximum particle size of coarse aggregate is

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

9. The aggregate is said to be flaky when

10. The maximum quantity of aggregate per 50kg of cement should not exceed


 

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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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