Environmental Engineering The water carriage system of collection of waste product Creates hygienic problem All of these Is cheaper in initial cost than dry conservancy system Requires treatment before disposal Creates hygienic problem All of these Is cheaper in initial cost than dry conservancy system Requires treatment before disposal 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) 8B 4B 2B B 8B 4B 2B B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that BOD removal is very low None of these Large area is required for construction Maintenance and operation cost are high BOD removal is very low None of these Large area is required for construction Maintenance and operation cost are high ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Double filtration is used For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of All of these To increase the filtration slow sand filters capacity of For isolated buildings like pools, hotels etc swimming To increase the filtration rapid sand filters capacity of All of these To increase the filtration slow sand filters capacity of ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 15 to 30 cm/minute 15 to 30 cm/sec 15 to 30 cm/hour 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/sec 15 to 30 cm/hour 5 to 10 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 100 liters 165 liters 135 liters 200 liters 100 liters 165 liters 135 liters 200 liters ANSWER DOWNLOAD EXAMIANS APP
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