Concrete Technology MCQs Set-2

March 19, 2021

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

2. The workability of concrete by slump test is expressed as

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

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

5. In concrete mix design, allowance for bulking of sand is necessary in case of

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

7. According to IS: 456-1978, minimum period stipulated for moist curing of concrete using ordinary Portland cement is

8. 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

9. The steel mold used for slump test is in the form of a

10. The percentage of voids in cement is approximately


 

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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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