Environmental Engineering The effective size of sand particles used in slow sand filters is 0.60 to 1.00 mm 0.25 to 0.35 mm 1.00 to 1.80 mm 0.35 to 0.60 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 1.00 to 1.80 mm 0.35 to 0.60 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the separate sewer system shall be taken as Equal to dry weather flow (DWF) 6 × DWF 2 × DWF 3 × DWF Equal to dry weather flow (DWF) 6 × DWF 2 × DWF 3 × DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Double filtration is used To increase the filtration rapid sand filters capacity of To increase the filtration slow sand filters capacity of All of these For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of To increase the filtration slow sand filters capacity of All of these For isolated buildings like pools, hotels etc swimming ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Methane Nitrogen Hydrogen sulphide Carbon dioxide Methane Nitrogen Hydrogen sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Much greater than 1 Slightly less than 1 Slightly greater than 1 Equal to 1 Much greater than 1 Slightly less than 1 Slightly greater than 1 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Circular sewer Horseshoe type sewer Semi-elliptical sewer Egg shaped sewer Circular sewer Horseshoe type sewer Semi-elliptical sewer Egg shaped sewer ANSWER DOWNLOAD EXAMIANS APP
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