Building Materials Iron ore may contain Silicon All listed here Carbon Phosphorus and manganese Silicon All listed here Carbon Phosphorus and manganese ANSWER DOWNLOAD EXAMIANS APP
Building Materials Galvanising means covering iron with a thin coat of Glaze Coal tar Tin Zinc Glaze Coal tar Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bessemer process is used for the manufacture of Cast iron Pig iron Wrought iron Steel Cast iron Pig iron Wrought iron Steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the correct characteristic of Pyroxene from the following: All listed here It forms octagonal crystals It converts to chlorine by hydration All listed here It forms octagonal crystals It converts to chlorine by hydration 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 (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 20 to 30 % 5 to 10 % 70 to 80 % 50 to 60 % 20 to 30 % 5 to 10 % 70 to 80 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
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