Environmental Engineering in CE Removal of __________ results from the disinfection of water. Hardness Odour Bacteria Turbidity Hardness Odour Bacteria Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following fine dust removal equipments is the most efficient? Cyclone separator Bag filter Electrostatic precipitator Scrubber Cyclone separator Bag filter Electrostatic precipitator Scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Color Dissolved gases Hardness Turbidity Color Dissolved gases Hardness Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N₂ in contaminated air at which it acts as a natural asphyxant is ≥ __________ percent. 88 80 84 92 88 80 84 92 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Oxidation followed by settling & filtration Chlorination only Simple filtration Chemical coagulation Oxidation followed by settling & filtration Chlorination only Simple filtration Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10⁵ 10⁹ 10² 10¹⁵ 10⁵ 10⁹ 10² 10¹⁵ ANSWER DOWNLOAD EXAMIANS APP
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