Building Materials Pig iron is manufactured from the ores by All of these Calcination and roasting Dressing Smelting All of these Calcination and roasting Dressing Smelting ANSWER DOWNLOAD EXAMIANS APP
Building Materials Shingle is Crushed granite Decomposed laterite Air weathered rock Water bound pebbles Crushed granite Decomposed laterite Air weathered rock Water bound pebbles ANSWER DOWNLOAD EXAMIANS APP
Building Materials In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is Parallel 45° Right angles 60° Parallel 45° Right angles 60° ANSWER DOWNLOAD EXAMIANS APP
Building Materials A ferrous metal is Wrought iron Cast iron All of these Steel Wrought iron Cast iron All of these Steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is 35, 65 All of these 30, 70 25, 75 35, 65 All of these 30, 70 25, 75 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good building stone should not absorb water more than 20 % 5 % 10 % 15 % 20 % 5 % 10 % 15 % ANSWER DOWNLOAD EXAMIANS APP