Building Materials Pig iron is manufactured from the ores by Dressing Smelting Calcination and roasting All of these Dressing Smelting Calcination and roasting All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast steel is manufactured by Bessemer process Crucible process Open hearth process Cementation process Bessemer process Crucible process Open hearth process Cementation process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The moisture content in a well seasoned timber is 100 % 15 % to 20 % 4 % to 6 % 10 % to 12 % 100 % 15 % to 20 % 4 % to 6 % 10 % to 12 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials A well seasoned timber may contain moisture up to 4 to 6 % 6 to 8 % 10 to 12 % 8 to 10 % 4 to 6 % 6 to 8 % 10 to 12 % 8 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Most commonly used solvent in oil paints, is Coal tar Spirit Turpentine Petroleum Coal tar Spirit Turpentine Petroleum ANSWER DOWNLOAD EXAMIANS APP