Question

Air entrainment Portland Cement-
(i) offers great resistance to sulphate attack
(iI) offers great resistance to freezing and thawing
(iii) reduces the possibility of shrinkage and crack formation in the concrete surface
(iv) is suitable for mass concreting

• A. Only (i)
• B. (i) and (ii)
• C. (i), (ii) and (iii)
• D. (i), (ii) (iii) and (iv)

Answer 1

The correct option is C (i), (ii) and (iii)

Air entrainment Portland Cement:
(i) offers great resistance to sulphate attack
(iI) offers great resistance to freezing and thawing
(iii) reduces the possibility of shrinkage and crack formation in the concrete surface.