Building Materials Wrought iron contains carbon about 1.5% to 5.5% 0.1% to 0.25% None to these 0.5% to 1.75% 1.5% to 5.5% 0.1% to 0.25% None to these 0.5% to 1.75% ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: About 20% to 30% of alumina All listed here About 50% to 60% of silica Not more than 5% of lime About 20% to 30% of alumina All listed here About 50% to 60% of silica Not more than 5% of lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastics are compounds of carbon with element Oxygen All of these Nitrogen Hydrogen Oxygen All of these Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quartzite is a Metamorphic rock Argillaceous rock Siliceous rock Calcareous rock Metamorphic rock Argillaceous rock Siliceous rock Calcareous rock 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 (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The tendency of a stone is, to split along: Cleavage Structure Texture Fracture Cleavage Structure Texture Fracture ANSWER DOWNLOAD EXAMIANS APP
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