Concrete Technology MCQs Set-2

March 19, 2021

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1. Calcareous material used in the manufacture of cement consist of

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

3. Modulus of rupture of concrete is a measure of

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

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

6. The maximum particle size of coarse aggregate is

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

8. 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

9. The aggregate is said to be flaky when

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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