Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 50 to 150 350 to 500 0 to 50 150 to 350 50 to 150 350 to 500 0 to 50 150 to 350 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 10 mg/liter 5 mg/liter 0.1 mg/liter 1.5 mg/liter 10 mg/liter 5 mg/liter 0.1 mg/liter 1.5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from Both suspended and dissolved impurities None of these Dissolved impurities Suspended impurities Both suspended and dissolved impurities None of these Dissolved impurities Suspended impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is designed for Maximum flow only Minimum flow only Average flow only Maximum and minimum flow Maximum flow only Minimum flow only Average flow only Maximum and minimum flow ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Smaller None of these Larger Same Smaller None of these Larger Same ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 0.60 to 1.00 mm 1.00 to 1.80 mm 0.35 to 0.60 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 1.00 to 1.80 mm 0.35 to 0.60 mm 0.25 to 0.35 mm ANSWER DOWNLOAD EXAMIANS APP
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