Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Lime Sulphuric acid Copper sulphate Sodium permanganate Lime Sulphuric acid Copper sulphate Sodium permanganate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product All of these Creates hygienic problem Requires treatment before disposal Is cheaper in initial cost than dry conservancy system All of these Creates hygienic problem Requires treatment before disposal Is cheaper in initial cost than dry conservancy system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The working conditions in imhoff tanks are anaerobic in lower compartment and aerobic in upper compartment Aerobic in lower compartment and anaerobic in upper compartment Anaerobic only Aerobic only anaerobic in lower compartment and aerobic in upper compartment Aerobic in lower compartment and anaerobic in upper compartment Anaerobic only Aerobic only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Carbon dioxide Sulphur dioxide Chloramines Bleaching powder Carbon dioxide Sulphur dioxide Chloramines Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe which is installed in the house drainage to preserve the water seal of traps is called Anti-siphonage pipe Waste pipe Soil pipe Vent pipe Anti-siphonage pipe Waste pipe Soil pipe Vent pipe ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Catch basin Manhole Drop manhole Inlet Catch basin Manhole Drop manhole Inlet ANSWER DOWNLOAD EXAMIANS APP
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