Environmental Engineering The slope of sewer shall be 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 Given in the direction opposite to natural slope of ground ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The disinfection efficiency of chlorine increases by (i) Decreasing the time of contact (ii) Decreasing the temperature of water (iii) Increasing the temperature of water Both (i) and (ii) Only (i) Only (iii) Both (i) and (iii) Both (i) and (ii) Only (i) Only (iii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe which is installed in the house drainage to preserve the water seal of traps is called Vent pipe Waste pipe Anti-siphonage pipe Soil pipe Vent pipe Waste pipe Anti-siphonage pipe Soil pipe ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sodium permanganate Copper sulphate Lime Sulphuric acid Sodium permanganate Copper sulphate Lime Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 4 to 6 6 to 8 8 to 10 2 to 4 4 to 6 6 to 8 8 to 10 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Turbidity is measured on Standard cobalt scale Standard platinum scale Platinum cobalt scale Standard silica scale Standard cobalt scale Standard platinum scale Platinum cobalt scale Standard silica scale ANSWER DOWNLOAD EXAMIANS APP
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