Building Materials Brass is an alloy of Copper and zinc Tin and silver Zinc and nickel Zinc and lead Copper and zinc Tin and silver Zinc and nickel Zinc and lead ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of lime and sand in the mortar normally used in brick construction are 1 : 6 1 : 4 1 : 8 1 : 2 1 : 6 1 : 4 1 : 8 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Blister steel Is obtained by cementation process Is full of fissures and cavities Can be easily welded All listed here Is obtained by cementation process Is full of fissures and cavities Can be easily welded All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Softer variety of steel may be obtained by Crucible process Open hearth process Bessemer process Cementation process Crucible process Open hearth process Bessemer process Cementation process ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: All listed here 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 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Based on its dry weight, a freshly felled tree may contain water 25 % 100 % 75 % 50 % 25 % 100 % 75 % 50 % ANSWER DOWNLOAD EXAMIANS APP