Building Materials Percentage content of silica in window glass, is 40 to 45 60 to 65 70 to 75 50 to 55 40 to 45 60 to 65 70 to 75 50 to 55 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Acrylic sheets All of these Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness Are generally unaffected by most household detergents Possess the light transmission rate of 93% All of these Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness Are generally unaffected by most household detergents Possess the light transmission rate of 93% ANSWER DOWNLOAD EXAMIANS APP
Building Materials The variety of pig iron used for manufacture of wrought iron, is Bessemer pig Grey or foundry pig Mottled pig White forge pig Bessemer pig Grey or foundry pig Mottled pig White forge pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials The usual percentages of clay and metal in cermet are: 60%, 40% 50%, 50% 70%, 30% 80%, 20% 60%, 40% 50%, 50% 70%, 30% 80%, 20% ANSWER DOWNLOAD EXAMIANS APP
Building Materials For a good building stone, its specific gravity should the greater than 2.3 3.7 2.5 2.7 2.3 3.7 2.5 2.7 ANSWER DOWNLOAD EXAMIANS APP