Building Materials Asbestos is Corrugated sheet used for roofing An organic substance An incombustible fire proof material All of these Corrugated sheet used for roofing An organic substance An incombustible fire proof material All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The thermosetting plastic 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 Chars at 343°C At 127°C to 177°C permanently set and further application of heat does not soften it ANSWER DOWNLOAD EXAMIANS APP
Building Materials The size of mould for bricks, is generally kept 10% larger than specified size Equal to specified size A little small to specified size A little large to specified size 10% larger than specified size Equal to specified size A little small to specified size A little large to specified size ANSWER DOWNLOAD EXAMIANS APP
Building Materials Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 15, 75, 10 10, 75, 15 10, 15, 75 75, 10, 15 15, 75, 10 10, 75, 15 10, 15, 75 75, 10, 15 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Chemically, marble is known as Argillaceous rock Metamorphic rock Calcareous rock Siliceous rock Argillaceous rock Metamorphic rock Calcareous rock Siliceous rock ANSWER DOWNLOAD EXAMIANS APP
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