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 (iii) Both (i) and (ii) All (i), (ii) and (iii) Only (i) Both (i) and (iii) Both (i) and (ii) 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 Reinforced cement concrete Cast iron Steel Copper Reinforced cement concrete Cast iron Steel Copper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 30°C - 5 day 20°C - 5 day 25°C - 3 day 20°C - 1 day 30°C - 5 day 20°C - 5 day 25°C - 3 day 20°C - 1 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Turbidity is measured on Standard platinum scale Standard silica scale Standard cobalt scale Platinum cobalt scale Standard platinum scale Standard silica scale Standard cobalt scale Platinum cobalt scale ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of Alteration of pressure filters is Equal to that of slow sand filters In between the filtration rate of slow sand filters and rapid sand filters Less than that of slow sand filters Greater than that of rapid sand filters Equal to that of slow sand filters In between the filtration rate of slow sand filters and rapid sand filters Less than that of slow sand filters Greater than that of rapid sand filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Most suitable section of sewer in separate sewage system is Standard form of egg shaped sewer Circular section Modified egg shaped section Rectangular section Standard form of egg shaped sewer Circular section Modified egg shaped section Rectangular section ANSWER DOWNLOAD EXAMIANS APP
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