Concrete Technology Questions and Answers – Shrinkage

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

1. Shrinkage is the reduction in the volume of a fresh hardened concrete exposed to ambient temp and humidity.
a) True
b) False
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2. How many types of shrinkages, caused due to loss of water?
a) 1
b) 2
c) 3
d) 4
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3. How many types of shrinkages, caused due to cooling and carbonation?
a) 1
b) 2
c) 3
d) 4
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4. Reduction in the volume due to shrinkage causes ____________
a) Low volume
b) Volumetric strain
c) Volumetric stress
d) W/c ratio
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5. Volumetric strain is equal to ___________ times the linear strain.
a) 1
b) 2
c) 3
d) 4
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6. In practice, shrinkage is measured simply as a ____________
a) Linear strain
b) Linear stress
c) Volumetric strain
d) Volumetric stress
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7. Shrinkage in concrete is caused mainly by a loss of water by evaporation or by hydration of cement.
a) True
b) False
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8. However, fall of temperature and carbonation may also cause shrinkage.
a) True
b) False
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9. From the below figure, what does A signify?

a) Drying shrinkage
b) Wetting shrinkage
c) Expansion on re wetting
d) Contraction
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10. From the below figure, what does B signify?

a) Drying shrinkage
b) Wetting shrinkage
c) Expansion on re wetting
d) Contraction
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Sanfoundry Global Education & Learning Series – Concrete Technology.

To practice all areas of Concrete Technology, here is complete set of 1000+ Multiple Choice Questions and Answers.

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