Waste Water Engineering For providing an Indian type W.C., the R.C.C. slabs in the toilet portion Should be kept 20 cm above the adjacent portion Need not be sunk Should be sunk by 20 cm Should be sunk by 50 cm Should be kept 20 cm above the adjacent portion Need not be sunk Should be sunk by 20 cm Should be sunk by 50 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called Imhoff tanks Trickling filters Sludge sedimentation tanks None of these Imhoff tanks Trickling filters Sludge sedimentation tanks None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Skin cancer Lung cancer Bronchitis Heart disorder Skin cancer Lung cancer Bronchitis Heart disorder ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Hydrogen sulphide gas Petrol vapours Carbondioxide gas Methane gas Hydrogen sulphide gas Petrol vapours Carbondioxide gas Methane gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes are the manholes Without entry ladders With depths more than 3.5 m Having drains at different levels Without manhole covers Without entry ladders With depths more than 3.5 m Having drains at different levels Without manhole covers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is Carbon dioxide Hydrogen Ammonia All listed here Carbon dioxide Hydrogen Ammonia All listed here ANSWER DOWNLOAD EXAMIANS APP