Environmental Engineering Standard BOD is measured at 20°C - 1 day 25°C - 3 day 30°C - 5 day 20°C - 5 day 20°C - 1 day 25°C - 3 day 30°C - 5 day 20°C - 5 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 10 to 15 days 3 months 24 hours 48 hours 10 to 15 days 3 months 24 hours 48 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Manhole Catch basin Drop manhole Inlet Manhole Catch basin Drop manhole Inlet 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 Total hardness Non carbonate hardness Total alkalinity Total hardness total alkalinity Total hardness Non carbonate hardness Total alkalinity Total hardness total alkalinity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The layout of distribution system in which water flows towards the outer periphery is Dead end system Grid iron system Radial system Ring system Dead end system Grid iron system Radial system Ring system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sodium permanganate Lime Sulphuric acid Copper sulphate Sodium permanganate Lime Sulphuric acid Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
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