Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Lime Sulphuric acid Copper sulphate Sodium permanganate Lime Sulphuric acid Copper sulphate Sodium permanganate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is To decrease it Fluctuating To increase it Nil To decrease it Fluctuating To increase it Nil ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Reflux valve Sluice valve Air relief valve Pressure relief valve Reflux valve Sluice valve Air relief valve Pressure relief valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Biochemical oxygen demand Dose of coagulant Residual chlorine Dissolved oxygen Biochemical oxygen demand Dose of coagulant Residual chlorine Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Both acidic Acidic and alkaline Both alkaline Alkaline and acidic Both acidic Acidic and alkaline Both alkaline Alkaline and acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Disinfection Removing corrosiveness Removing hardness Removing odours Disinfection Removing corrosiveness Removing hardness Removing odours ANSWER DOWNLOAD EXAMIANS APP
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