Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 35 105 95 75 35 105 95 75 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Fluoride Lead Mercury Arsenic Fluoride Lead Mercury Arsenic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. SO₂ CO₂ Any of these NOx SO₂ CO₂ Any of these NOx ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 1 0.3 0.1 0.01 1 0.3 0.1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Petroleum refinery Sulphuric acid plant Nitric acid plant Thermal power plant Petroleum refinery Sulphuric acid plant Nitric acid plant Thermal power plant ANSWER DOWNLOAD EXAMIANS APP
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