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 1,00,000 4000 1000 4,00,000 1,00,000 4000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Bacteria and colloidal solids Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Dissolved organic substances Bacteria and colloidal solids Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Dissolved organic substances 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 All (i), (ii) and (iii) Only (i) Both (i) and (ii) Both (i) and (iii) All (i), (ii) and (iii) Only (i) Both (i) and (ii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Laying of sewers is usually done with the help of A compass A plane table A Theodolite Sight rails and boning rods A compass A plane table A Theodolite Sight rails and boning rods ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The devices which are installed for drawing water from the sources are called Aquiclude Intakes Filters Aquifers Aquiclude Intakes Filters Aquifers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Cast iron Steel Reinforced cement concrete Copper Cast iron Steel Reinforced cement concrete Copper ANSWER DOWNLOAD EXAMIANS APP