Environmental Engineering The biochemical treatment of sewage effluents is essentially a process of Dehydration Alkalinization Oxidation Reduction Dehydration Alkalinization Oxidation Reduction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of oxidation pond is that Maintenance and operation cost are high None of these Large area is required for construction BOD removal is very low Maintenance and operation cost are high None of these Large area is required for construction BOD removal is very low ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Break point chlorination Super chlorination Post chlorination Pre-chlorination Break point chlorination Super chlorination Post chlorination Pre-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following values of pH represents a stronger acid? 3 5 2 4 3 5 2 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/hour 15 to 30 cm/minute 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/hour 15 to 30 cm/minute ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 24 - 48 hours 1 - 2 year 10 - 12 days 2 - 3 months 24 - 48 hours 1 - 2 year 10 - 12 days 2 - 3 months ANSWER DOWNLOAD EXAMIANS APP
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