Building Materials Which of the following is the purest form of iron? High carbon steel Mild steel Cast iron Wrought iron High carbon steel Mild steel Cast iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Clay and silt content in a good brick earth must be at least 50 % 40 % 20 % 30 % 50 % 40 % 20 % 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Brass is an alloy of Zinc and lead Tin and silver Zinc and nickel Copper and zinc Zinc and lead Tin and silver Zinc and nickel Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Building Materials Age of a tree may be ascertained by Number of annual rings Circumference of its stem Number of branches Radius of its stem Number of annual rings Circumference of its stem Number of branches Radius of its stem ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime is Calcium hydroxide Calcium carbonate None of these Calcium oxide Calcium hydroxide Calcium carbonate None of these Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 70 to 80 % 20 to 30 % 5 to 10 % 50 to 60 % 70 to 80 % 20 to 30 % 5 to 10 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP
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