Concrete Technology MCQs Set-2

March 19, 2021

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

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. The test conducted in the laboratory on the specimen made out of trial concrete mix is called

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

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

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

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

9. The aggregate is said to be flaky when

10. Rapid hardening cement is used


 

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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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