Building Materials The percentage of alumina in a good brick earth lies between 50 to 60 % 70 to 80 % 20 to 30 % 5 to 10 % 50 to 60 % 70 to 80 % 20 to 30 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality sand is never obtained from Lake River Gravel powder Sea Lake River Gravel powder Sea ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality cement contains higher percentage of Tri-calcium silicate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is the purest form of iron? Mild steel High carbon steel Wrought iron Cast iron Mild steel High carbon steel Wrought iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the polymineralic rock from the following: Magnesite Granite Quartz sand Pure gypsum Magnesite Granite Quartz sand Pure gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plaster of Paris is obtained by calcining Bauxite Gypsum Lime stone None of these Bauxite Gypsum Lime stone None of these ANSWER DOWNLOAD EXAMIANS APP
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