Building Materials Asbestos All of these Contains iron oxide and alumina Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Is a natural fibrous mineral substance All of these Contains iron oxide and alumina Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Is a natural fibrous mineral substance ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sand stone is Sedimentary rock Volcanic rock Igneous rock Metamorphic rock Sedimentary rock Volcanic rock Igneous rock Metamorphic rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % 5 to 10 % 20 to 30 % 70 to 80 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The standard size of masonry bricks, is 21 cm x 11 cm x 11 cm 19 cm x 9 cm x 9 cm 18 cm x 8 cm x 8 cm 20 cm x 10 cm x 10 cm 21 cm x 11 cm x 11 cm 19 cm x 9 cm x 9 cm 18 cm x 8 cm x 8 cm 20 cm x 10 cm x 10 cm ANSWER DOWNLOAD EXAMIANS APP
Building Materials For sanitary pipes and chemical stonewares, None of these Lead glazing is used Salt glazing is used Opaque glazing is used None of these Lead glazing is used Salt glazing is used Opaque glazing is used ANSWER DOWNLOAD EXAMIANS APP
Building Materials The filler used in plastic bitumen, is Plastic powder Asbestos powder Shale powder Talc powder Plastic powder Asbestos powder Shale powder Talc powder ANSWER DOWNLOAD EXAMIANS APP
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