Environmental Engineering The main disadvantage of oxidation pond is that Large area is required for construction None of these BOD removal is very low Maintenance and operation cost are high Large area is required for construction None of these BOD removal is very low Maintenance and operation cost are high 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 Generally the detention period for grit chambers is kept as 5 minutes 1 minute 12 hours 24 hours 5 minutes 1 minute 12 hours 24 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Copper Steel Cast iron Reinforced cement concrete Copper Steel Cast iron Reinforced cement concrete ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 48 hours 3 months 10 to 15 days 24 hours 48 hours 3 months 10 to 15 days 24 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering When there is no recirculation of sewage, then recirculation factor is Infinity 1 None of these Infinity 1 None of these ANSWER DOWNLOAD EXAMIANS APP
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