Environmental Engineering in CE The upper layer of atmosphere is called the Stratosphere Troposphere Ionosphere None of these Stratosphere Troposphere Ionosphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 75 95 105 35 75 95 105 35 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by None of these Coagulation and filtration Adsorption in ion exchange materials Biological oxygen treatment None of these Coagulation and filtration Adsorption in ion exchange materials Biological oxygen treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 750 90 10 800 750 90 10 800 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Paralysis of muscles & loss of appetite All of these Nervous depression Gastritis & diarrhea Paralysis of muscles & loss of appetite All of these Nervous depression Gastritis & diarrhea ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Mosquitoes Micro-organisms Algae Files Mosquitoes Micro-organisms Algae Files ANSWER DOWNLOAD EXAMIANS APP
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