Civil Engineering MCQAE Level Civil Engineering
Air entrainment in concrete is especially useful for improving
RCCGeneralMEDIUM
Choose the correct answer
A
specific gravity of cement
B
setting time to zero
C
resistance to freeze-thaw action
D
steel yield strength
Correct Answer
C. resistance to freeze-thaw action
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Entrained microscopic air voids relieve pressure during freezing.
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