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