Building Materials Hydraulic lime is obtained by Adding water to quick lime Burning of lime stone Burning of kankar Calcination of pure clay Adding water to quick lime Burning of lime stone Burning of kankar Calcination of pure clay ANSWER DOWNLOAD EXAMIANS APP
Building Materials The usual percentages of clay and metal in cermet are: 80%, 20% 60%, 40% 70%, 30% 50%, 50% 80%, 20% 60%, 40% 70%, 30% 50%, 50% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as Mottled pig Bessemer pig Grey or foundry pig White or forge pig Mottled pig Bessemer pig Grey or foundry pig White or forge pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To render the concrete more water tight To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials The compound of Portland cement which contributes to the strength after two to three years is Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra-calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra-calcium alumino ferrite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick Impermeable Brittle and weak To crack and warp on drying To lose cohesion Impermeable Brittle and weak To crack and warp on drying To lose cohesion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS