Environmental Engineering Sewage treatment units are normally designed for 5 - 10 years 15 - 28 years 28 - 30 years 15 - 20 years 5 - 10 years 15 - 28 years 28 - 30 years 15 - 20 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that 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 BOD removal is very low Large area is required for construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank Only (i) Only (iii) (i) and (ii) (i) and (iii) Only (i) Only (iii) (i) and (ii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is easy to construct Provides self cleansing velocity at low discharges Is more stable than circular section Is economical than circular section Is easy to construct Provides self cleansing velocity at low discharges Is more stable than circular section Is economical than circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Chloramines Sulphur dioxide Carbon dioxide Bleaching powder Chloramines Sulphur dioxide Carbon dioxide Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Trickling filters Sludge digestion tank Sedimentation tank Activated sludge treatment Trickling filters Sludge digestion tank Sedimentation tank Activated sludge treatment ANSWER DOWNLOAD EXAMIANS APP
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