Environmental Engineering The settling velocity of a particle in a sedimentation tank depends on Depth of tank None of these Both depth and surface area of tank Surface area of tank Depth of tank None of these Both depth and surface area of tank Surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Lime Sodium permanganate Copper sulphate Sulphuric acid Lime Sodium permanganate Copper sulphate Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and less Less and more Less and less More and more More and less Less and more Less and less More and more 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 1000 mg/liter 1 mg/liter 10 mg/liter 100 mg/liter 1000 mg/liter 1 mg/liter 10 mg/liter 100 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Residual chlorine in water Turbidity in water Dissolved oxygen in water Hardness in water Residual chlorine in water Turbidity in water Dissolved oxygen in water Hardness in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The slope of sewer shall be Given in the direction opposite to natural slope of ground Zero Steeper than 1 in 20 Given in the direction of natural slope of ground Given in the direction opposite to natural slope of ground Zero Steeper than 1 in 20 Given in the direction of natural slope of ground ANSWER DOWNLOAD EXAMIANS APP
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