Building Materials Percentage of silica in a good brick earth lies between 5 to 10 % 50 to 60 % 70 to 80 % 20 to 30 % 5 to 10 % 50 to 60 % 70 to 80 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastic asphalt is A refinery product A natural asphalt Used as a water proofing layer over roof A mixture of cement and asphalt A refinery product A natural asphalt Used as a water proofing layer over roof A mixture of cement and asphalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Age of a tree may be ascertained by Number of annual rings Number of branches Circumference of its stem Radius of its stem Number of annual rings Number of branches Circumference of its stem Radius of its stem ANSWER DOWNLOAD EXAMIANS APP
Building Materials Permanent magnets are made of high carbon steel and 45% of cobalt 15% of cobalt 35% of cobalt 20% of cobalt 45% of cobalt 15% of cobalt 35% of cobalt 20% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of CO₂ and calcium Lime and H₂O H₂S and CO₂ CaSO4 and H₂O CO₂ and calcium Lime and H₂O H₂S and CO₂ CaSO4 and H₂O ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slenderness ratio for masonry walls should not be more than 10 20 30 40 10 20 30 40 ANSWER DOWNLOAD EXAMIANS APP
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