Environmental Engineering Standard BOD is measured at 20°C - 5 day 20°C - 1 day 30°C - 5 day 25°C - 3 day 20°C - 5 day 20°C - 1 day 30°C - 5 day 25°C - 3 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 40 to 50 20 to 25 30 to 35 10 to 15 40 to 50 20 to 25 30 to 35 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Turbidity in water Residual chlorine in water Dissolved oxygen in water Hardness in water Turbidity in water Residual chlorine in water Dissolved oxygen in water Hardness in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Difficulty in transportation due to heavy weight Less life Less strength Difficulty in construction Difficulty in transportation due to heavy weight Less life Less strength Difficulty in construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system? Electrical analysis method Equivalent pipe method Circle method Hardy cross method Electrical analysis method Equivalent pipe method Circle method Hardy cross method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sulphuric acid Sodium permanganate Lime Copper sulphate Sulphuric acid Sodium permanganate Lime Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
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