Environmental Engineering The pathogens can be killed by None of these Chlorination Oxidation Nitrification None of these Chlorination Oxidation Nitrification ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 1.0 to 5.0 ppm 0.5 to 1.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.5 to 1.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually 1.5 m/sec to 2.0 m/sec Less than 1.0 m/sec 3.0 m/sec to 3.5 m/sec 1.0 m/sec to 1.2 m/sec 1.5 m/sec to 2.0 m/sec Less than 1.0 m/sec 3.0 m/sec to 3.5 m/sec 1.0 m/sec to 1.2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming (i) and (iii) (i) and (ii) All are correct Only (i) (i) and (iii) (i) and (ii) All are correct Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Circular cast iron sewer Circular brick sewer Semi-elliptical sewer Horseshoe type sewer Circular cast iron sewer Circular brick sewer Semi-elliptical sewer Horseshoe type sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 24 hours 10 to 15 days 48 hours 3 months 24 hours 10 to 15 days 48 hours 3 months ANSWER DOWNLOAD EXAMIANS APP
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