Environmental Engineering Composting and lagooning are the methods of Sludge disposal Filtration Sludge digestion Sedimentation Sludge disposal Filtration Sludge digestion Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 10 - 12 days 24 - 48 hours 1 - 2 year 2 - 3 months 10 - 12 days 24 - 48 hours 1 - 2 year 2 - 3 months 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) B 8B 2B 4B B 8B 2B 4B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Super chlorination Hypo-chlorination De-chlorination Pre-chlorination Super chlorination Hypo-chlorination De-chlorination Pre-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Satisfying oxygen demand Sunlight None of these Higher temperature Satisfying oxygen demand Sunlight None of these Higher temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Copper sulphate Sodium chloride Calcium chloride Sodium sulphate Copper sulphate Sodium chloride Calcium chloride Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
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