Waste Water Engineering The sewer which resists sulphide corrosion, is Brick sewer Cast iron sewer Lead sewer R.C. sewer Brick sewer Cast iron sewer Lead sewer R.C. sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The suitable cross-section of sewers to carry combined flow, is Horse shoe shaped Circular Rectangular Egg shaped Horse shoe shaped Circular Rectangular Egg shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Biological action is used Filtration process is used Neither A nor B Both A and B Biological action is used Filtration process is used Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Citric acid Nitric acid Sulphuric acid Hydrochloric acid Citric acid Nitric acid Sulphuric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Egg shaped Parabolic shaped Horse shoe shaped Circular shaped Egg shaped Parabolic shaped Horse shoe shaped Circular shaped ANSWER DOWNLOAD EXAMIANS APP