Which of the following cement is recommended mostly in
(i) Concrete to be used in marine condition.
(ii) Concrete to be used in the construction of sewage treatment works.
(iii) Concrete used for fabrication of pipes which are likely to be buried in marshy region
1
Low Heat Cement
2
Sulphate Resisting Cement
3
Super Sulphated Cement
4
Portland Slag Cement