Environmental Engineering Double filtration is used To increase the filtration slow sand filters capacity of To increase the filtration rapid sand filters capacity of For isolated buildings like pools, hotels etc swimming All of these To increase the filtration slow sand filters capacity of To increase the filtration rapid sand filters capacity of For isolated buildings like pools, hotels etc swimming All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to shallow wells, deep wells have Less discharge Less depth More discharge More depth Less discharge Less depth More discharge More depth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The means of access for inspection and cleaning of sewer line is known as Drop manhole Manhole Inlet Catch basin Drop manhole Manhole Inlet Catch basin ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is Zero 100 Infinite 1 Zero 100 Infinite 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Sluice valve Air relief valve Reflux valve Pressure relief valve Sluice valve Air relief valve Reflux valve Pressure relief valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Excessive negative head Higher turbidity in the effluent Mud ball formation Low temperature Excessive negative head Higher turbidity in the effluent Mud ball formation Low temperature ANSWER DOWNLOAD EXAMIANS APP
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