Waste Water Engineering In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient, Is doubled Is not enough Is trebled Is only provided Is doubled Is not enough Is trebled Is only provided ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ‘Cowl’ is provided at Upper end of ventilating column Upper end of the manhole Lower end of ventilating column First step in manhole Upper end of ventilating column Upper end of the manhole Lower end of ventilating column First step in manhole ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 12 days 7 days 14 days 2 days 12 days 7 days 14 days 2 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum recommended diameter of sewers, is 20 cm 10 cm 5 cm 15 cm 20 cm 10 cm 5 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Parabolic shaped Circular shaped Horse shoe shaped Egg shaped Parabolic shaped Circular shaped Horse shoe shaped Egg shaped ANSWER DOWNLOAD EXAMIANS APP