Environmental Engineering If the average daily consumption of a city is 100,000 m³, the maximum daily consumption on peak hourly demand will be 100000 m³ 270000 m³ 150000 m³ 180000 m³ 100000 m³ 270000 m³ 150000 m³ 180000 m³ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually 1.0 m/sec to 1.2 m/sec 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec Less than 1.0 m/sec 1.0 m/sec to 1.2 m/sec 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec Less than 1.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Sodium permanganate Copper sulphate Sulphuric acid Lime Sodium permanganate Copper sulphate Sulphuric acid Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 15 cm and 100 cm 30 cm and 450 cm 60 cm and 300 cm 15 cm and 300 cm 15 cm and 100 cm 30 cm and 450 cm 60 cm and 300 cm 15 cm and 300 cm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.5 to 1.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.5 to 1.0 ppm 0.05 to 0.5 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Break point chlorination Pre-chlorination Post chlorination Super chlorination Break point chlorination Pre-chlorination Post chlorination Super chlorination ANSWER DOWNLOAD EXAMIANS APP
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