Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Bleaching powder Chloramines Sulphur dioxide Carbon dioxide Bleaching powder Chloramines Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Sodium carbonate Calcium carbonate Magnesium carbonate Calcium hydroxide Sodium carbonate Calcium carbonate Magnesium carbonate Calcium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product All of these Is cheaper in initial cost than dry conservancy system Requires treatment before disposal Creates hygienic problem All of these Is cheaper in initial cost than dry conservancy system Requires treatment before disposal Creates hygienic problem ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not require alkalinity in water for flocculation Increases pH value of water Decreases pH value of water Does not affect pH value of water Does not require alkalinity in water for flocculation Increases pH value of water Decreases pH value of water Does not affect pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is Less than HMD when flowing full Greater than HMD when flowing full Equal to HMD when flowing full None of these Less than HMD when flowing full Greater than HMD when flowing full Equal to HMD when flowing full None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Chlorine demand of water is equal to Applied chlorine Sum of applied and residual chlorine Residual chlorine Difference of applied and residual chlorine Applied chlorine Sum of applied and residual chlorine Residual chlorine Difference of applied and residual chlorine ANSWER DOWNLOAD EXAMIANS APP
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