Environmental Engineering Which of the following values of pH represents a stronger acid? 2 3 4 5 2 3 4 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if The depth of tank is decreased Particle size is decreased The surface area of tank is increased None of these The depth of tank is decreased Particle size is decreased The surface area of tank is increased None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Residual chlorine Dose of coagulant Dissolved oxygen Biochemical oxygen demand Residual chlorine Dose of coagulant Dissolved oxygen Biochemical oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 20 to 25 40 to 50 10 to 15 30 to 35 20 to 25 40 to 50 10 to 15 30 to 35 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) Close to the well None of these At a distance R from the well At a distance R/2 from the well Close to the well None of these At a distance R from the well At a distance R/2 from the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Alkaline and acidic Both alkaline Acidic and alkaline Both acidic Alkaline and acidic Both alkaline Acidic and alkaline Both acidic ANSWER DOWNLOAD EXAMIANS APP
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