Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 0.001 1 5 0.1 0.001 1 5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Industrial chimney exhaust Forest fire Photochemical oxidation of organic matter Automobiles exhaust Industrial chimney exhaust Forest fire Photochemical oxidation of organic matter Automobiles exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Suspended solids All of these Soluble and toxic organics Heavy metals and cynides Suspended solids All of these Soluble and toxic organics Heavy metals and cynides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Inorganic Dissolved Fatty Organic Inorganic Dissolved Fatty Organic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is Diluted with fresh water to reduce its acidity Neutralised by alkali treatment None of these Left as such without any treatment Diluted with fresh water to reduce its acidity Neutralised by alkali treatment None of these Left as such without any treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Sulphate Carbonate Calcium Choride Sulphate Carbonate Calcium Choride ANSWER DOWNLOAD EXAMIANS APP