Environmental Engineering Period of cleaning of slow sand filters is about 24 - 48 hours 10 - 12 days 2 - 3 months 1 - 2 year 24 - 48 hours 10 - 12 days 2 - 3 months 1 - 2 year ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following values of pH represents a stronger acid? 5 3 4 2 5 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 2 DWF Rainfall + DWF Rainfall + 6 DWF Equal to rainfall Rainfall + 2 DWF Rainfall + DWF Rainfall + 6 DWF Equal to rainfall ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Lime Sodium permanganate Copper sulphate Sulphuric acid Lime Sodium permanganate Copper sulphate Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 5 liters/sec 500 liters/sec 1000 liters/sec 50 liters/sec 5 liters/sec 500 liters/sec 1000 liters/sec 50 liters/sec 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 4000 1000 4,00,000 1,00,000 4000 1000 4,00,000 ANSWER DOWNLOAD EXAMIANS APP
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