Building Materials To retard the initial setting time of cement, the compound responsible, is Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Gypsum Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials A well seasoned timber may contain moisture up to 8 to 10 % 10 to 12 % 4 to 6 % 6 to 8 % 8 to 10 % 10 to 12 % 4 to 6 % 6 to 8 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick Impermeable To lose cohesion To crack and warp on drying Brittle and weak Impermeable To lose cohesion To crack and warp on drying Brittle and weak ANSWER DOWNLOAD EXAMIANS APP
Building Materials For obtaining vinyl chloride acetate, the method used, is Condensation polymerization Addition polymerization None of these Co-polymerization Condensation polymerization Addition polymerization None of these Co-polymerization ANSWER DOWNLOAD EXAMIANS APP
Building Materials The tendency of a stone is, to split along: Structure Fracture Texture Cleavage Structure Fracture Texture Cleavage ANSWER DOWNLOAD EXAMIANS APP
Building Materials During smelting process, the combination of fuel in the furnace Forms carbon dioxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 All listed here Carbon dioxide with carbon forms carbon mono-oxide Forms carbon dioxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 All listed here Carbon dioxide with carbon forms carbon mono-oxide ANSWER DOWNLOAD EXAMIANS APP