Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 60 cm and 300 cm 30 cm and 450 cm 15 cm and 300 cm 15 cm and 100 cm 60 cm and 300 cm 30 cm and 450 cm 15 cm and 300 cm 15 cm and 100 cm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 59 100 50 75 59 100 50 75 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 10 mg/liter 0.1 mg/liter 5 mg/liter 1.5 mg/liter 10 mg/liter 0.1 mg/liter 5 mg/liter 1.5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sulphuric acid Lime Copper sulphate Sodium permanganate Sulphuric acid Lime Copper sulphate Sodium permanganate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be Partially separate system Partially combined system Combined system Separate system Partially separate system Partially combined system Combined system Separate system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Presence of water Presence of oxygen only Absence of oxygen only Presence as well as in absence of oxygen Presence of water Presence of oxygen only Absence of oxygen only Presence as well as in absence of oxygen ANSWER DOWNLOAD EXAMIANS APP