Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick 20 % 15 % 10 % None of these 20 % 15 % 10 % None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent of fly-ash, is Ferrous oxide Aluminium oxide Silica All of these Ferrous oxide Aluminium oxide Silica All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The harmonious mixing of the clay ingredients, is known as Weathering Blending Tempering None of these Weathering Blending Tempering None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Depending on the chemical composition and mechanical properties, iron may be classified as Steel Cast iron All of these Wrought iron Steel Cast iron All of these Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Red short iron cracks when bent due to the presence of Silicon Carbon Phosphorus Sulphur Silicon Carbon Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Building Materials Acrylic sheets Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness Possess the light transmission rate of 93% Are generally unaffected by most household detergents All of these Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness Possess the light transmission rate of 93% Are generally unaffected by most household detergents All of these ANSWER DOWNLOAD EXAMIANS APP