Building Materials For a good building stone, its specific gravity should the greater than 2.5 3.7 2.3 2.7 2.5 3.7 2.3 2.7 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos All of these Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Contains iron oxide and alumina Is a natural fibrous mineral substance All of these Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Contains iron oxide and alumina Is a natural fibrous mineral substance ANSWER DOWNLOAD EXAMIANS APP
Building Materials Spalling hammer is used for Rough dressing of stones Carving of stones Breaking small projection of stones Driving wooden headed chisels Rough dressing of stones Carving of stones Breaking small projection of stones Driving wooden headed chisels ANSWER DOWNLOAD EXAMIANS APP
Building Materials Calcination of iron ores is done All listed here To remove carbonic acid To remove moisture By roasting in heaps All listed here To remove carbonic acid To remove moisture By roasting in heaps ANSWER DOWNLOAD EXAMIANS APP
Building Materials Specific gravity for most of the building stones lies between 2.0 to 2.5 1.5 to 2.0 2.5 to 3.0 3.0 to 3.5 2.0 to 2.5 1.5 to 2.0 2.5 to 3.0 3.0 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The constituent of cement which is responsible for all the undesirable properties of cement is Tri-calcium aluminate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium silicate Tri-calcium aluminate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
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