Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 1000 0.1 25 100 1000 0.1 25 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Chlorination Skimming off Sedimentation Biological oxidation Chlorination Skimming off Sedimentation Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 70 85 40 20 70 85 40 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Troposphere None of these Ionosphere Stratosphere Troposphere None of these Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 125 145 100 80 125 145 100 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes Blood poisoning Nervous system disorder All of these Anaemia Blood poisoning Nervous system disorder All of these Anaemia ANSWER DOWNLOAD EXAMIANS APP