Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Manhole Catch basin Drop manhole Inlet Manhole Catch basin Drop manhole Inlet 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 10 mg/liter 1 mg/liter 100 mg/liter 1000 mg/liter 10 mg/liter 1 mg/liter 100 mg/liter 1000 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The gas from sludge digestion tank is mainly composed of Methane Hydrogen sulphide Nitrogen Carbon dioxide Methane Hydrogen sulphide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of coagulant needed for coagulation of water increases with (i) Increase in turbidity of water (ii) Decrease in turbidity of water (iii) Increase in temperature of water (iv) Decrease in temperature of water The correct answer is (i) and (ii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i)and(iv) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Chlorine demand of water is equal to Difference of applied and residual chlorine Sum of applied and residual chlorine Residual chlorine Applied chlorine Difference of applied and residual chlorine Sum of applied and residual chlorine Residual chlorine Applied chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Sodium carbonate Calcium hydroxide Magnesium carbonate Calcium carbonate Sodium carbonate Calcium hydroxide Magnesium carbonate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
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