Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 days 30 to 45 minutes 2 to 6 hours 1 to 2 minutes 2 to 6 days 30 to 45 minutes 2 to 6 hours 1 to 2 minutes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the average daily consumption of a city is 100,000 m³, the maximum daily consumption on peak hourly demand will be 150000 m³ 270000 m³ 100000 m³ 180000 m³ 150000 m³ 270000 m³ 100000 m³ 180000 m³ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of 100 mg/liter 1000 mg/liter 10 mg/liter 1 mg/liter 100 mg/liter 1000 mg/liter 10 mg/liter 1 mg/liter 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 10920 9800 10100 9500 10920 9800 10100 9500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe which is installed in the house drainage to preserve the water seal of traps is called Waste pipe Anti-siphonage pipe Soil pipe Vent pipe Waste pipe Anti-siphonage pipe Soil pipe Vent pipe ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Dissolved oxygen Dose of coagulant Residual chlorine Biochemical oxygen demand Dissolved oxygen Dose of coagulant Residual chlorine Biochemical oxygen demand ANSWER DOWNLOAD EXAMIANS APP