Building Materials A stone is rejected if it absorbs water more than 15 % 5 % 10 % 20 % 15 % 5 % 10 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Based on its dry weight, a freshly felled tree may contain water 25 % 100 % 75 % 50 % 25 % 100 % 75 % 50 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Shingle is Water bound pebbles Air weathered rock Decomposed laterite Crushed granite Water bound pebbles Air weathered rock Decomposed laterite Crushed granite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Galvanising means covering iron with a thin coat of Coal tar Tin Zinc Glaze Coal tar Tin Zinc Glaze ANSWER DOWNLOAD EXAMIANS APP
Building Materials Formula for quick lime, is CO₃CO₂ CaCO₃ None to these Ca(OH)₂ CO₃CO₂ CaCO₃ None to these Ca(OH)₂ ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastics are compounds of carbon with element Hydrogen All of these Oxygen Nitrogen Hydrogen All of these Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP