Concrete Technology MCQs Set-2

March 19, 2021

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1. The workability of concrete by slump test is expressed as

2. The test conducted in the laboratory on the specimen made out of trial concrete mix is called

3. According to IS:456-1978, the flexural strength of concrete is

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

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

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

7. Reinforced cement concrete is equally strong in taking

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 approximate value of the ratio between direct tensile strength and flexural strength is

10. Lime when added in excess quantity


 

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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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    Strength: Very Weak