Concrete Technology MCQs Set-2

March 19, 2021

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

2. In lime concrete, lime is used as

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

4. A higher modular ratio shows

5. Low percentage of tricalcium silicate and high percentage of dicalcium silicate in cement result in

6. 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

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

8. The percentage of voids in cement is approximately

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

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


 

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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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