Building Materials The percentage of alumina and silica in good fire clay vary respectively is 30, 70 35, 65 All of these 25, 75 30, 70 35, 65 All of these 25, 75 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is 90° 0° 45° 30° 90° 0° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Building Materials The hardest rock is Marble Talc Diamond Quartz Marble Talc Diamond Quartz ANSWER DOWNLOAD EXAMIANS APP
Building Materials The constituent of cement which is responsible for all the undesirable properties of cement is Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium silicate Tri-calcium aluminate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium silicate Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as White or forge pig Grey or foundry pig Bessemer pig Mottled pig White or forge pig Grey or foundry pig Bessemer pig Mottled pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following timbers is suitable for making sports goods? Mulberry Deodar Sal Mahogany Mulberry Deodar Sal Mahogany ANSWER DOWNLOAD EXAMIANS APP