Building Materials Durability of building stone is affected by its Texture Resistance to atmosphere All listed here Chemical composition Texture Resistance to atmosphere All listed here Chemical composition ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is All of these 35, 65 25, 75 30, 70 All of these 35, 65 25, 75 30, 70 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: All listed here About 50% to 60% of silica About 20% to 30% of alumina Not more than 5% of lime All listed here About 50% to 60% of silica About 20% to 30% of alumina Not more than 5% of lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos All of these Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Is a natural fibrous mineral substance Contains iron oxide and alumina All of these Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Is a natural fibrous mineral substance Contains iron oxide and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Acrylic sheets Are generally unaffected by most household detergents Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness All of these Possess the light transmission rate of 93% Are generally unaffected by most household detergents Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness All of these Possess the light transmission rate of 93% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum is a Chemically precipitated sedimentary rock Mechanically formed sedimentary rock Igneous rock Metamorphic rock Chemically precipitated sedimentary rock Mechanically formed sedimentary rock Igneous rock Metamorphic rock ANSWER DOWNLOAD EXAMIANS APP
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