Concrete Technology Questions and Answers – High Strength Concrete

This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “High Strength Concrete”.

1. What could be the possible answer among the following for compressive strength of high strength concrete?
a) 10MPa
b) 20MPa
c) 30MPa
d) 40MPa
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2. What could be the possible answer among the following for water cement ratio for high strength concrete?
a) .5
b) .45
c) .4
d) .35
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3. Due to low w/c ratio ___________
a) It doesn’t cause any problems
b) It causes problems
c) Workability is easy
d) Strength is more
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4. Which type of aggregates are used to produce 70MPa compressive strength?
a) All in one
b) Fine
c) Coarse
d) Flaky
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5. Maximum size of aggregates are used to produce 70MPa compressive strength is ________
a) 20-30 mm
b) 10-20 mm
c) 30-40 mm
d) 40-50 mm
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6. Maximum size of aggregates are used to produce 100MPa compressive strength is __________
a) 20-30 mm
b) 10-20 mm
c) 30-40 mm
d) 40-50 mm
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7. In bridges, HSC is used.
a) True
b) False
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8. Use of HSC in column __________
a) It increase the size of the column
b) It decrease the size of the column
c) Doesn’t affect
d) Decrease the strength
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9. Use of HSC in column ___________
a) Decrease the no of steel required in the same column
b) Increase the no of steel required in the same column
c) Decrease the no of steel required in the different column
d) Increase the no of steel required in the different column
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10. High strength concrete is defined purely on the basis __________
a) Compressive strength
b) Poor strength
c) Tensile strength
d) Good strength
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Sanfoundry Global Education & Learning Series – Concrete Technology.

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