Environmental Engineering Corrosion in concrete sewers is caused by Dissolved oxygen Nitrogen Septic conditions Chlorine Dissolved oxygen Nitrogen Septic conditions Chlorine 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 Combined system Separate system Partially combined system Partially separate system Combined system Separate system Partially combined system Partially separate system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is Safety valve Check valve Scour valve Sluice valve Safety valve Check valve Scour valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 hours 30 to 45 minutes 1 to 2 minutes 2 to 6 days 2 to 6 hours 30 to 45 minutes 1 to 2 minutes 2 to 6 days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Alkalinization Dehydration Oxidation Reduction Alkalinization Dehydration Oxidation Reduction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of distribution system for a city with roads of rectangular pattern is Radial system Dead end system Ring system Grid iron system Radial system Dead end system Ring system Grid iron system ANSWER DOWNLOAD EXAMIANS APP