Environmental Engineering Period of cleaning of slow sand filters is about 1 - 2 year 10 - 12 days 24 - 48 hours 2 - 3 months 1 - 2 year 10 - 12 days 24 - 48 hours 2 - 3 months ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method of forecasting population for a young and rapidly increasing city is Geometrical increase method Arithmetical increase method Graphical method Incremental increase method Geometrical increase method Arithmetical increase method Graphical method Incremental increase method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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 1,00,000 1000 4000 4,00,000 1,00,000 1000 4000 4,00,000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Circular cast iron sewer Semi-elliptical sewer Horseshoe type sewer Circular brick sewer Circular cast iron sewer Semi-elliptical sewer Horseshoe type sewer Circular brick sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe which is installed in the house drainage to preserve the water seal of traps is called Vent pipe Anti-siphonage pipe Soil pipe Waste pipe Vent pipe Anti-siphonage pipe Soil pipe Waste pipe ANSWER DOWNLOAD EXAMIANS APP