Environmental Engineering The design discharge for the separate sewer system shall be taken as 3 × DWF 6 × DWF 2 × DWF Equal to dry weather flow (DWF) 3 × DWF 6 × DWF 2 × DWF Equal to dry weather flow (DWF) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Removal of hardness Complete sterilisation Removal of turbidity Killing of disease bacteria Removal of hardness Complete sterilisation Removal of turbidity Killing of disease bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Settling velocity increases with Specific gravity of solid particles Depth of tank Size of particles Temperature of liquid Specific gravity of solid particles Depth of tank Size of particles Temperature of liquid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is 4,00,000 1000 4000 1,00,000 4,00,000 1000 4000 1,00,000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is (i) Presumptive coli-form test (ii) Confirmed coli-form test (iii) Completed coli-form test Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Is contaminated Contains pathogenic bacteria Is safe and suitable for drinking and domestic use Consists of undesirable substances rendering it unfit for drinking and domestic use Is contaminated Contains pathogenic bacteria Is safe and suitable for drinking and domestic use Consists of undesirable substances rendering it unfit for drinking and domestic use ANSWER DOWNLOAD EXAMIANS APP
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