engineering recuitment FCI JE 2022 Mock Test for CE/ME/EE (Phase I & II) Construction Materials and Management Cement
Which of the following effects of Fly Ash on cement concrete is INCORRECT?
1
Reduces the permeability of concrete
2
Reduces the amount of air entraining agents
3
Slightly improves the resistance to sulphate attack
4
Increases the heat of hydration of concrete
5
All of these