Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on Surface area of tank None of these Depth of tank Both depth and surface area of tank Surface area of tank None of these Depth of tank Both depth and surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank Only (i) Only (iii) (i) and (iii) (i) and (ii) Only (i) Only (iii) (i) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not affect pH value of water Decreases pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Does not affect pH value of water Decreases pH value of water Increases pH value of water Does not require alkalinity in water for flocculation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Both alkaline Alkaline and acidic Both acidic Acidic and alkaline Both alkaline Alkaline and acidic Both acidic Acidic and alkaline ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Dissolved oxygen Biochemical oxygen demand Dose of coagulant Residual chlorine Dissolved oxygen Biochemical oxygen demand Dose of coagulant Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) B 8B 2B 4B B 8B 2B 4B ANSWER DOWNLOAD EXAMIANS APP
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