Building Materials The normal consistency of ordinary Portland cement is about 20 % 30 % 40 % 10 % 20 % 30 % 40 % 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rock generally used for roofing, is Slate Basalt Pumice Granite Slate Basalt Pumice Granite ANSWER DOWNLOAD EXAMIANS APP
Building Materials To retard the initial setting time of cement, the compound responsible, is Gypsum Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Gypsum Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Distemper is A drying agent A paint consisting of powdered chalk, pigments and water A water proofing agent A paint consisting of colored cement and water A drying agent A paint consisting of powdered chalk, pigments and water A water proofing agent A paint consisting of colored cement and water 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 45° 90° 0° 30° 45° 90° 0° 30° ANSWER DOWNLOAD EXAMIANS APP