Question 1011. 9. Consider the following statements regarding the use of air entrainment on the properties of concrete 1 Reduction in the tendencies of segregation 2 Reduction in bleeding 3 Reduction in permeability 4 Reduction in the resistance to chemical attack Of these statements

Question 1012. 8.  Consider the following statements regarding aggregates: 1 Dry aggregates absorb water from the mixing water and thus affect the workability 2 Aggregates containing surface moisture contribute extra 3 The free moisture content in fine aggregate results in reduction of volume4 The free moisture content in coarse aggregate results in bulking of volumeOf these statements :