Environmental Engineering The gas from sludge digestion tank is mainly composed of Carbon dioxide Hydrogen sulphide Nitrogen Methane Carbon dioxide Hydrogen sulphide Nitrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Generally the detention period for grit chambers is kept as 1 minute 24 hours 12 hours 5 minutes 1 minute 24 hours 12 hours 5 minutes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as De-chlorination Pre-chlorination Super chlorination Hypo-chlorination De-chlorination Pre-chlorination Super chlorination Hypo-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Assertion A: Slow sand filters are more efficient in removal of bacteria than rapid sand filters.Reason R: The sand used in slow sand filters is finer than that in rapid sand filtersSelect your answer based on the coding system given below: A is false but R is true Both A and R is true and R is the correct explanation of A A is true but R is false Both A and R is true but R is not the correct explanation of A A is false but R is true Both A and R is true and R is the correct explanation of A A is true but R is false Both A and R is true but R is not the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Oxidation pond Aerated lagoons Trickling filters Oxidation ditch Oxidation pond Aerated lagoons Trickling filters Oxidation ditch ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 1.5 1.8 2.7 2.0 1.5 1.8 2.7 2.0 ANSWER DOWNLOAD EXAMIANS APP
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