Environmental Engineering The suitable method for disinfection of swimming pool water is By using potassium permanganate Lime treatment Ultra violet rays treatment Chlorination By using potassium permanganate Lime treatment Ultra violet rays treatment Chlorination 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 Steel Cast iron Copper Reinforced cement concrete Steel Cast iron Copper Reinforced cement concrete ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is 1,00,000 4000 4,00,000 1000 1,00,000 4000 4,00,000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following sewers is preferred for combined system of sewage? Rectangular sewer None of these Egg shaped sewer Circular sewer Rectangular sewer None of these Egg shaped sewer Circular sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the average daily consumption of a city is 100,000 m³, the maximum daily consumption on peak hourly demand will be 270000 m³ 100000 m³ 180000 m³ 150000 m³ 270000 m³ 100000 m³ 180000 m³ 150000 m³ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Cleaning is done by (i) Scraping and removal in filters slow sand (ii) Back washing in slow sand filters (iii) Scraping and removal in filters rapid sand (iv) Back washing in rapid sand filters The correct answer is (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS