Building Materials The percentage of alumina and silica in good fire clay vary respectively is 35, 65 25, 75 All of these 30, 70 35, 65 25, 75 All of these 30, 70 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Chlorite, a green colour mineral is mainly derived from the decomposition of Hornblende All of these Biotite Augite Hornblende All of these Biotite Augite ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 15 % 25 % 5 % 10 % 15 % 25 % 5 % 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bullet proof glass is made of thick glass sheet sandwiched by a layer of Steel Chromium plate High test plastic Stainless steel Steel Chromium plate High test plastic Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials Galvanising means covering iron with a thin coat of Tin Zinc Coal tar Glaze Tin Zinc Coal tar Glaze 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 None of these 10 % 15 % 20 % None of these 10 % 15 % 20 % ANSWER DOWNLOAD EXAMIANS APP