Building Materials The percentage of alumina in a good brick earth lies between 5 to 10 % 20 to 30 % 50 to 60 % 70 to 80 % 5 to 10 % 20 to 30 % 50 to 60 % 70 to 80 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality sand is never obtained from Sea River Lake Gravel powder Sea River Lake Gravel powder ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stucco paints are suitable for Stone masonry Neither (A) nor (B) Brick walls Both (A) and (B) Stone masonry Neither (A) nor (B) Brick walls Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 15 % 10 % 25 % 5 % 15 % 10 % 25 % 5 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron is manufactured from the ores by Smelting All of these Calcination and roasting Dressing Smelting All of these Calcination and roasting Dressing ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime (or caustic lime) Is obtained by the calcination of pure lime stone Has great affinity to moisture Is amorphous All of these Is obtained by the calcination of pure lime stone Has great affinity to moisture Is amorphous All of these ANSWER DOWNLOAD EXAMIANS APP
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