Environmental Engineering The type of sewer which is suitable for both combined and separate system is Semi-elliptical sewer Egg shaped sewer Circular sewer Horseshoe type sewer Semi-elliptical sewer Egg shaped sewer Circular sewer Horseshoe type sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is designed for Average flow only Maximum flow only Maximum and minimum flow Minimum flow only Average flow only Maximum flow only Maximum and minimum flow Minimum flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by TOD > COD > BOD BOD > COD > TOD TOD > BOD > COD COD > BOD > TOD TOD > COD > BOD BOD > COD > TOD TOD > BOD > COD COD > BOD > TOD 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 Zero 100 Infinite 1 Zero 100 Infinite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Unaffected by pH value of water Reduced at higher pH value of water Highest at pH value equal to 7 Increased at higher pH value of water Unaffected by pH value of water Reduced at higher pH value of water Highest at pH value equal to 7 Increased at higher pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Decreases pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Does not affect pH value of water Decreases pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Does not affect pH value of water ANSWER DOWNLOAD EXAMIANS APP
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