Civil, Materials
Portland pozzolana cement has strength as compared to ordinary Portland cement is
A. Same B. More C. Less D. Very much less
Hardness coefficient is maximum for
A. Conglomerate B. Granite C. Slate D. Limestone
Impregnating of timber is done to increase
A. Fire resistance of timber B. Seasoning of timber C. Weight of timber D. None of the above
The main constituent of varnish is
A. Resin B. Water C. Dualk D. All of the above Ans :- A. Resin Explanation :- Resin: Resin is ...
