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