Building Materials Pig iron is manufactured from the ores by Smelting Calcination and roasting All of these Dressing Smelting Calcination and roasting All of these Dressing ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bullet proof glass is made of thick glass sheet sandwiched by a layer of High test plastic Stainless steel Chromium plate Steel High test plastic Stainless steel Chromium plate Steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials Glazing of clay products, is done To improve their appearance All listed here To protect them from atmospheric effect To protect them from corrosive action To improve their appearance All listed here To protect them from atmospheric effect To protect them from corrosive action ANSWER DOWNLOAD EXAMIANS APP
Building Materials Ultimate strength to cement is provided by Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Tetra calcium alumino ferrite ANSWER DOWNLOAD EXAMIANS APP
Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick 20 % None of these 10 % 15 % 20 % None of these 10 % 15 % ANSWER DOWNLOAD EXAMIANS APP