Environmental Engineering The gas from sludge digestion tank is mainly composed of Nitrogen Hydrogen sulphide Carbon dioxide Methane Nitrogen Hydrogen sulphide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to rapid sand filters, slow sand filters give (i) Slower filtration rate (ii) Higher filtration rate (iii) Lesser efficiency in removal of bacteria (iv) Higher efficiency in removal of bacteria The correct answer is (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 1.5 mg/liter 0.1 mg/liter 10 mg/liter 5 mg/liter 1.5 mg/liter 0.1 mg/liter 10 mg/liter 5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Given in the direction opposite to natural slope of ground Steeper than 1 in 20 Zero Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Steeper than 1 in 20 Zero Given in the direction of natural slope of ground ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Dose of coagulant Residual chlorine Dissolved oxygen Biochemical oxygen demand Dose of coagulant Residual chlorine Dissolved oxygen Biochemical oxygen demand 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
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