Waste Water Engineering For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of 100 cm 140 cm 120 cm 160 cm 100 cm 140 cm 120 cm 160 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must be laid at least 2 to 3 m deep to collect /water from the basements Must flow under gravity ½ to ¾ full All listed here Must be of adequate size to avoid over flow Must be laid at least 2 to 3 m deep to collect /water from the basements Must flow under gravity ½ to ¾ full All listed here Must be of adequate size to avoid over flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A circular sewer section is preferred to because It provides maximum hydraulic mean depth All listed here It is cheaper in construction It provides maximum area for a given perimeter It provides maximum hydraulic mean depth All listed here It is cheaper in construction It provides maximum area for a given perimeter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine None of these Suspended solids Settleable solids Dissolved solids None of these Suspended solids Settleable solids Dissolved solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Oxygen Methane Hydrogen sulphide Carbon dioxide Oxygen Methane Hydrogen sulphide Carbon dioxide 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)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP