Concrete Technology MCQs Set-2

March 19, 2021

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1. The material having particle size varying from 0.002 to 0.06 mm is termed as

2. The percentage of voids in cement is approximately

3. The aggregate which pass through 4.75 mm IS sieve and entirely retain on 75 micron IS sieve is called

4. 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

5. Reinforced cement concrete is equally strong in taking

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

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

8. A higher modular ratio shows

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

10. The top diameter, bottom diameter and height of the mould used for slump test are respectively


 

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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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