Building Materials Pig iron is manufactured from the ores by Calcination and roasting All of these Dressing Smelting Calcination and roasting All of these Dressing Smelting 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 Asphalt is obtained from Bitumen distillation Plastic distillation Petroleum distillation None of these Bitumen distillation Plastic distillation Petroleum distillation None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Steel contains carbon approximately None to these 1.50% to 5.6% 0.25 % 0.05% to 1.75% None to these 1.50% to 5.6% 0.25 % 0.05% to 1.75% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to pouring of magma at the earth's surface are called Igneous rocks Volcanic rocks Hypabyssal rocks Plutonic rocks Igneous rocks Volcanic rocks Hypabyssal rocks Plutonic rocks ANSWER DOWNLOAD EXAMIANS APP
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