Building Materials The initial setting time for ordinary Portland cement as per IS specifications should not be less than 60 minutes 10 minutes 600 minutes 30 minutes 60 minutes 10 minutes 600 minutes 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement contains Tetra-calcium alumino-ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent of fly-ash, is Ferrous oxide Aluminium oxide All of these Silica Ferrous oxide Aluminium oxide All of these Silica ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used drying oil for oil paints, is Olive oil Acetate of lead Linseed oil Kerosene oil Olive oil Acetate of lead Linseed oil Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Building Materials Three basic raw materials which are needed in large quantities for production of steel are Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and lime stone Iron ore, coal and sulphur Iron ore, carbon and lime stone Iron ore, carbon and sulphur Iron ore, coal and lime stone Iron ore, coal and sulphur ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is All of these 35, 65 25, 75 30, 70 All of these 35, 65 25, 75 30, 70 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS