Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 60 cm and 300 cm 15 cm and 100 cm 30 cm and 450 cm 15 cm and 300 cm 60 cm and 300 cm 15 cm and 100 cm 30 cm and 450 cm 15 cm and 300 cm 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 Steel Cast iron Reinforced cement concrete Copper Steel Cast iron Reinforced cement concrete Copper 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 Only (i) Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 10 mg/liter 1.5 mg/liter 0.1 mg/liter 5 mg/liter 10 mg/liter 1.5 mg/liter 0.1 mg/liter 5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 10 to 15 20 to 25 40 to 50 30 to 35 10 to 15 20 to 25 40 to 50 30 to 35 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is more stable than circular section Provides self cleansing velocity at low discharges Is economical than circular section Is easy to construct Is more stable than circular section Provides self cleansing velocity at low discharges Is economical than circular section Is easy to construct ANSWER DOWNLOAD EXAMIANS APP
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