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