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