Use of Seawater in making of concrete results into
(i) Loss of Strength
(ii) Corrosion of reinforcement
(iii) Dampness
(iv) Efflorescence
Which of the following is a correct combination?
1
(i) and (ii)
2
(iii) and (iv)
3
(i), (iii) and (iv)
4
(i), (ii), (iii) and (iv)