Concrete Technology MCQs Set-2

March 19, 2021

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1. 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

2. The admixtures are added in concrete to

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

4. The type of lime used in lime concrete is

5. Rapid hardening cement is used

6. The maximum quantity of aggregate per 50kg of cement should not exceed

7. Which of the following ingredient of cement when added in excess quantity, causes the cement to set slowly?

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

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

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