Environmental Engineering The process in which the chlorination is done beyond the break point is known as Post chlorination Pre-chlorination Super chlorination Break point chlorination Post chlorination Pre-chlorination Super chlorination Break point chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 0.25 to 0.35 mm 1.00 to 1.80 mm 0.35 to 0.60 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 1.00 to 1.80 mm 0.35 to 0.60 mm 0.60 to 1.00 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 500 liters/sec 50 liters/sec 5 liters/sec 1000 liters/sec 500 liters/sec 50 liters/sec 5 liters/sec 1000 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Sulphur dioxide Chloramines Bleaching powder Carbon dioxide Sulphur dioxide Chloramines Bleaching powder Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is 1 100 Infinite Zero 1 100 Infinite Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Highest at pH value equal to 7 Increased at higher pH value of water Reduced at higher pH value of water Unaffected by pH value of water Highest at pH value equal to 7 Increased at higher pH value of water Reduced at higher pH value of water Unaffected by pH value of water ANSWER DOWNLOAD EXAMIANS APP
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