Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 0.001 0.1 1 5 0.001 0.1 1 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 7 1 19 82 7 1 19 82 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Pulverised limestone Bog iron (iron oxide) Active carbon Silica gel Pulverised limestone Bog iron (iron oxide) Active carbon Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a secondary air pollutant? Dust particles Photochemical smog Nitrogen dioxide Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide Sulphur dioxide 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 Nitric acid plant Sulphuric acid plant Petroleum refinery Thermal power plant Nitric acid plant Sulphuric acid plant Petroleum refinery ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Coagulation Filtration Anion exchanger Preheating it Coagulation Filtration Anion exchanger Preheating it ANSWER DOWNLOAD EXAMIANS APP
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