Concrete Technology MCQs Set-2

March 19, 2021

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

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

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

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. The slab is designed as one way if the ratio of long span to short span is

6. The admixtures are added in concrete to

7. The chemical ingredient of cement which provides quick setting property to the cement is

8. Reinforced cement concrete is equally strong in taking

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

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