Environmental Engineering The gas from sludge digestion tank is mainly composed of Methane Carbon dioxide Nitrogen Hydrogen sulphide Methane Carbon dioxide Nitrogen Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 30 to 45 minutes 2 to 6 hours 1 to 2 minutes 2 to 6 days 30 to 45 minutes 2 to 6 hours 1 to 2 minutes 2 to 6 days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on Surface area of tank None of these Depth of tank Both depth and surface area of tank Surface area of tank None of these Depth of tank Both depth and surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) 4B 8B B 2B 4B 8B B 2B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria Remains unaffected Decreases Increases None of these Remains unaffected Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by None of these Nitrification Oxidation Chlorination None of these Nitrification Oxidation Chlorination ANSWER DOWNLOAD EXAMIANS APP
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