Environmental Engineering The hourly variation factor is usually taken as 1.8 2.0 2.7 1.5 1.8 2.0 2.7 1.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Egg shaped sewer Horseshoe type sewer Circular sewer Semi-elliptical sewer Egg shaped sewer Horseshoe type sewer Circular sewer Semi-elliptical sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Reduced at higher pH value of water Unaffected by pH value of water Increased at higher pH value of water Highest at pH value equal to 7 Reduced at higher pH value of water Unaffected by pH value of water Increased at higher pH value of water Highest at pH value equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is Lime treatment By using potassium permanganate Ultra violet rays treatment Chlorination Lime treatment By using potassium permanganate Ultra violet rays treatment Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 2 DWF Rainfall + 6 DWF Equal to rainfall Rainfall + DWF Rainfall + 2 DWF Rainfall + 6 DWF Equal to rainfall Rainfall + DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 15 to 30 cm/minute 15 to 30 cm/hour 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/minute 15 to 30 cm/hour 15 to 30 cm/sec 5 to 10 cm/sec ANSWER DOWNLOAD EXAMIANS APP
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