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The removal of excess air after placing concrete helps in increasing strength of concrete by .............

15 to 20 % 20 to 30 % 30 to 50 % 50 to 70 %

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This Chapter Concrete-Technology-Mcqs-1 consists of the following topics

The cement concrete, from which entrained air and excess water are removed after placing it in position is called .............

The removal of excess air after placing concrete helps in increasing strength of concrete by .............

The cement concrete prepared by mixing aluminium in it, is called .............

The removal of excess air after placing concrete helps in increasing the strength of concrete by .............

Concrete Technology Mcqs 1

Concrete-Technology-Mcqs