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) 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) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The population of a town in three consecutive years are 5000, 7000 and 8400 respectively. The population of the town in the fourth consecutive year according to geometrical increase method is 9500 9800 10100 10920 9500 9800 10100 10920 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 30 ppm 50 ppm 20 ppm 10 ppm 30 ppm 50 ppm 20 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Sedimentation tanks Grit chambers Skimming tanks Detritus tanks Sedimentation tanks Grit chambers Skimming tanks Detritus tanks ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 5 mg/liter 0.1 mg/liter 10 mg/liter 1.5 mg/liter 5 mg/liter 0.1 mg/liter 10 mg/liter 1.5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer 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 Is more stable than circular section ANSWER DOWNLOAD EXAMIANS APP
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