Building Materials Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? Silica and alkalies Alumina and iron Lime stone and alumina Alkalies and magnesium Silica and alkalies Alumina and iron Lime stone and alumina Alkalies and magnesium ANSWER DOWNLOAD EXAMIANS APP
Building Materials Clay and silt content in a good brick earth must be at least 40 % 20 % 30 % 50 % 40 % 20 % 30 % 50 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials For sanitary pipes and chemical stonewares, Salt glazing is used None of these Lead glazing is used Opaque glazing is used Salt glazing is used None of these Lead glazing is used Opaque glazing is used ANSWER DOWNLOAD EXAMIANS APP
Building Materials The fire clay contains pure Oxide of iron Lime Magnesium Hydrated aluminium silicate Oxide of iron Lime Magnesium Hydrated aluminium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used base for timber painting, is Zinc white White lead Titanium white Red lead Zinc white White lead Titanium white Red lead ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron is used for Structural works in beams Small sized water pipes Columns and struts None to these Structural works in beams Small sized water pipes Columns and struts None to these ANSWER DOWNLOAD EXAMIANS APP
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