Building Materials Percentage of silica in a good brick earth lies between 50 to 60 % 70 to 80 % 5 to 10 % 20 to 30 % 50 to 60 % 70 to 80 % 5 to 10 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used lime in white washing, is Hydraulic lime White lime Fat lime Quick lime Hydraulic lime White lime Fat lime Quick lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 10, 75, 15 15, 75, 10 75, 10, 15 10, 15, 75 10, 75, 15 15, 75, 10 75, 10, 15 10, 15, 75 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast steel is manufactured by Bessemer process Cementation process Crucible process Open hearth process Bessemer process Cementation process Crucible process Open hearth process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks having alumina or clay as their major constituents are known as Siliceous rocks Calcareous rocks Argillaceous rocks Sedimentary rocks Siliceous rocks Calcareous rocks Argillaceous rocks Sedimentary rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Invar contains 12% of nickel 24% of nickel 30% of nickel 36% of nickel 12% of nickel 24% of nickel 30% of nickel 36% of nickel ANSWER DOWNLOAD EXAMIANS APP