Environmental Engineering The self cleansing velocity for all sewers in India is usually Less than 1.0 m/sec 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec Less than 1.0 m/sec 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Much greater than 1 Slightly greater than 1 Slightly less than 1 Equal to 1 Much greater than 1 Slightly greater than 1 Slightly less than 1 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The phenolic compounds in public water supply should not be more than 0.01 ppm 0.001 ppm 0.0001 ppm 0.1 ppm 0.01 ppm 0.001 ppm 0.0001 ppm 0.1 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Double filtration is used For isolated buildings like pools, hotels etc swimming All of these To increase the filtration slow sand filters capacity of To increase the filtration rapid sand filters capacity of For isolated buildings like pools, hotels etc swimming All of these To increase the filtration slow sand filters capacity of To increase the filtration rapid sand filters capacity of ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Floating solids and dissolved inorganic solids Bacteria and colloidal solids Dissolved organic substances Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Bacteria and colloidal solids Dissolved organic substances Dissolved solids and dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 150 to 350 0 to 50 50 to 150 350 to 500 150 to 350 0 to 50 50 to 150 350 to 500 ANSWER DOWNLOAD EXAMIANS APP
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