Building Materials In the method of condensation polymerization, The reaction proceeds with an evolution of hydrogen chloride The reaction proceeds with an evolution of ammonia All of these Low-molecular substances are removed from the high molecular substance The reaction proceeds with an evolution of hydrogen chloride The reaction proceeds with an evolution of ammonia All of these Low-molecular substances are removed from the high molecular substance ANSWER DOWNLOAD EXAMIANS APP
Building Materials According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than 21 MPa 16 MPa 11.5 MPa 7 MPa 21 MPa 16 MPa 11.5 MPa 7 MPa ANSWER DOWNLOAD EXAMIANS APP
Building Materials Ultimate strength to cement is provided by Tri-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Softer variety of steel may be obtained by Crucible process Cementation process Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: About 50% to 60% of silica About 20% to 30% of alumina Not more than 5% of lime All listed here About 50% to 60% of silica About 20% to 30% of alumina Not more than 5% of lime All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stones used for ornamental work must be Hard Light Heavy Soft Hard Light Heavy Soft ANSWER DOWNLOAD EXAMIANS APP