Waste Water Engineering The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is 0.05556 cumec 0.05552 cumec 0.0556 cumec 0.05554 cumec 0.05556 cumec 0.05552 cumec 0.0556 cumec 0.05554 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The laying of sewers is done with Magnetic compass Level Theodolite Clinometer Magnetic compass Level Theodolite Clinometer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Both B and C Steel shell coated from outside with cement mortar Steel shell coated from inside with cement mortar Steel pipes Both B and C Steel shell coated from outside with cement mortar Steel shell coated from inside with cement mortar Steel pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their None of these Shape Weight Size None of these Shape Weight Size ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter Less than 0.05 mm Less than 0.01 mm Less than 0.1 mm Greater than 0.1 mm Less than 0.05 mm Less than 0.01 mm Less than 0.1 mm Greater than 0.1 mm 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 = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP