Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Copper sulphate Sodium permanganate Lime Sulphuric acid Copper sulphate Sodium permanganate Lime Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 1.5 1.8 2.7 2.0 1.5 1.8 2.7 2.0 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 15 - 20 years 5 - 10 years 28 - 30 years 15 - 28 years 15 - 20 years 5 - 10 years 28 - 30 years 15 - 28 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Minimum flow only Average flow only Maximum and minimum flow Maximum flow only Minimum flow only Average flow only Maximum and minimum flow Maximum flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Non carbonate hardness Total hardness Total alkalinity Total hardness total alkalinity Non carbonate hardness Total hardness Total alkalinity Total hardness total alkalinity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Post chlorination Break point chlorination Super chlorination Pre-chlorination Post chlorination Break point chlorination Super chlorination Pre-chlorination ANSWER DOWNLOAD EXAMIANS APP
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