Building Materials Hydraulic lime is obtained by Adding water to quick lime Calcination of pure clay Burning of lime stone Burning of kankar Adding water to quick lime Calcination of pure clay Burning of lime stone Burning of kankar ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement attains early strength due to Excess percentage of gypsum Lesser proportion of lime grounded finer than normal cement Larger proportion of lime grounded finer than normal cement Lesser proportion of lime grounded coarser than normal cement Excess percentage of gypsum Lesser proportion of lime grounded finer than normal cement Larger proportion of lime grounded finer than normal cement Lesser proportion of lime grounded coarser than normal cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of H₂S and CO₂ CaSO4 and H₂O Lime and H₂O CO₂ and calcium H₂S and CO₂ CaSO4 and H₂O Lime and H₂O CO₂ and calcium ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement contains Tetra-calcium alumino-ferrite Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron 700 m3 air is required All listed here 20 kg limestone is required One quintal coke is required 700 m3 air is required All listed here 20 kg limestone is required One quintal coke is required ANSWER DOWNLOAD EXAMIANS APP
Building Materials Permanent magnets are made of high carbon steel and 20% of cobalt 15% of cobalt 45% of cobalt 35% of cobalt 20% of cobalt 15% of cobalt 45% of cobalt 35% of cobalt ANSWER DOWNLOAD EXAMIANS APP