Building Materials Calcination of iron ores is done To remove moisture By roasting in heaps To remove carbonic acid All listed here To remove moisture By roasting in heaps To remove carbonic acid All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials During pudding Silicon forms a slag Molten metal is kept clear of the fuel All listed here Carbon is converted into carbonic acid gas Silicon forms a slag Molten metal is kept clear of the fuel All listed here Carbon is converted into carbonic acid gas ANSWER DOWNLOAD EXAMIANS APP
Building Materials The moisture content in a well seasoned timber is 15 % to 20 % 10 % to 12 % 4 % to 6 % 100 % 15 % to 20 % 10 % to 12 % 4 % to 6 % 100 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos Contains iron oxide and alumina Is a natural fibrous mineral substance Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these Contains iron oxide and alumina Is a natural fibrous mineral substance Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials For a good building stone, its specific gravity should the greater than 3.7 2.3 2.5 2.7 3.7 2.3 2.5 2.7 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP
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