Environmental Engineering The phenolic compounds in public water supply should not be more than 0.01 ppm 0.0001 ppm 0.1 ppm 0.001 ppm 0.01 ppm 0.0001 ppm 0.1 ppm 0.001 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria None of these Remains unaffected Increases Decreases None of these Remains unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The devices which are installed for drawing water from the sources are called Filters Aquiclude Intakes Aquifers Filters Aquiclude Intakes Aquifers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Chlorination Nitrification Oxidation None of these Chlorination Nitrification Oxidation None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if None of these Particle size is decreased The depth of tank is decreased The surface area of tank is increased None of these Particle size is decreased The depth of tank is decreased The surface area of tank is increased ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 1.00 to 1.80 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 0.60 to 1.00 mm ANSWER DOWNLOAD EXAMIANS APP
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