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 Check valve Scour valve Safety valve Sluice valve Check valve Scour valve Safety valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) 4B 2B B 8B 4B 2B B 8B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that BOD removal is very low Large area is required for construction None of these Maintenance and operation cost are high BOD removal is very low Large area is required for construction None of these Maintenance and operation cost are high ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 hours 30 to 45 minutes 2 to 6 days 1 to 2 minutes 2 to 6 hours 30 to 45 minutes 2 to 6 days 1 to 2 minutes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system? Equivalent pipe method Circle method Electrical analysis method Hardy cross method Equivalent pipe method Circle method Electrical analysis method Hardy cross method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Orthotolidine test is used for determination of Residual chlorine Dose of coagulant Dissolved oxygen Biochemical oxygen demand Residual chlorine Dose of coagulant Dissolved oxygen Biochemical oxygen demand ANSWER DOWNLOAD EXAMIANS APP
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