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Rapid evaporation may cause plastic shrinkage __________

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Rapid evaporation may cause plastic shrinkage __________

(a) Elastic shrinkage

(b) Plastic shrinkage

(c) High workability

(d) Good strength

This question was posed to me during an online exam.

The query is from Hot Weather Concreting, Prepacked and Vacuum Cement in section Special Concrete and Concreting Methods of Concrete Technology

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Best answer
The correct option is (b) Plastic shrinkage

The best explanation: Rapid evaporation may cause plastic shrinkage and cracking and subsequent cooling of hardened concrete would introduce tensile stresses.

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