Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Lagoon Oxidation Imhoff tank Skimming tank Lagoon Oxidation Imhoff tank Skimming tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Cleaning is done by(i) Scraping and removal in filters slow sand(ii) Back washing in slow sand filters(iii) Scraping and removal in filters rapid sand(iv) Back washing in rapid sand filtersThe correct answer is (ii) and (iii) (i) and (iv) (i) and (ii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Dissolved solid Gritty & inorganic Suspended solid Oil & fatty Dissolved solid Gritty & inorganic Suspended solid Oil & fatty ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? Filling in steel crates and shooting it off out of earth Disposing off in rivers & oceans Discharging to atmosphere through tall stacks after dilution Dilution with inert material Filling in steel crates and shooting it off out of earth Disposing off in rivers & oceans Discharging to atmosphere through tall stacks after dilution Dilution with inert material ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ results from the disinfection of water. Hardness Odour Turbidity Bacteria Hardness Odour Turbidity Bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 120 90 60 20 120 90 60 20 ANSWER DOWNLOAD EXAMIANS APP
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