Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 500 to 600 1400 to 1500 100 to 150 50 to 60 500 to 600 1400 to 1500 100 to 150 50 to 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) None of these At a distance R/2 from the well Close to the well At a distance R from the well None of these At a distance R/2 from the well Close to the well At a distance R from the well 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 A is true but R is false Both A and R is true and R is the correct explanation of A Both A and R is true but R is not the correct explanation of A A is false but R is true A is true but R is false Both A and R is true and R is the correct explanation of A Both A and R is true but R is not the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Most suitable section of sewer in separate sewage system is Modified egg shaped section Circular section Standard form of egg shaped sewer Rectangular section Modified egg shaped section Circular section Standard form of egg shaped sewer Rectangular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The working conditions in imhoff tanks are Anaerobic only Aerobic in lower compartment and anaerobic in upper compartment anaerobic in lower compartment and aerobic in upper compartment Aerobic only Anaerobic only Aerobic in lower compartment and anaerobic in upper compartment anaerobic in lower compartment and aerobic in upper compartment Aerobic only ANSWER DOWNLOAD EXAMIANS APP
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