Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Floating solids and dissolved inorganic solids Bacteria and colloidal solids Dissolved solids and dissolved gases Dissolved organic substances Floating solids and dissolved inorganic solids Bacteria and colloidal solids Dissolved solids and dissolved gases Dissolved organic substances ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 days 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 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Residual chlorine Dissolved oxygen Dose of coagulant Biochemical oxygen demand Residual chlorine Dissolved oxygen Dose of coagulant Biochemical oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following sewers is preferred for combined system of sewage? Egg shaped sewer None of these Rectangular sewer Circular sewer Egg shaped sewer None of these Rectangular sewer Circular sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable layout of a distribution system for irregularly growing town is Dead end system Radial system Ring system Grid iron system Dead end system Radial system Ring system Grid iron system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of BOD exerted at any time is Inversely proportional to BOD remaining Directly proportional to BOD satisfied Directly proportional to BOD remaining Inversely proportional to BOD satisfied Inversely proportional to BOD remaining Directly proportional to BOD satisfied Directly proportional to BOD remaining Inversely proportional to BOD satisfied ANSWER DOWNLOAD EXAMIANS APP
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