Building Materials Good quality stones must Be durable All of these Resist action of acids Be free from clay Be durable All of these Resist action of acids Be free from clay ANSWER DOWNLOAD EXAMIANS APP
Building Materials The normal curing period for lime mortar, is: 5 days 3 days 7 days 9 days 5 days 3 days 7 days 9 days ANSWER DOWNLOAD EXAMIANS APP
Building Materials Specific gravity for most of the building stones lies between 2.5 to 3.0 1.5 to 2.0 3.0 to 3.5 2.0 to 2.5 2.5 to 3.0 1.5 to 2.0 3.0 to 3.5 2.0 to 2.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The thermosetting plastic Chars at 343°C At 127°C to 177°C permanently set and further application of heat does not soften it Becomes rigid when moulded at suitable pressure and temperature All listed here Chars at 343°C At 127°C to 177°C permanently set and further application of heat does not soften it Becomes rigid when moulded at suitable pressure and temperature All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Brass is an alloy of Tin and silver Copper and zinc Zinc and lead Zinc and nickel Tin and silver Copper and zinc Zinc and lead Zinc and nickel ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to Toughed cast iron Mottled cast iron Grey cast iron White cast iron Toughed cast iron Mottled cast iron Grey cast iron White cast iron ANSWER DOWNLOAD EXAMIANS APP