The normal value of over flow rates for plain primary sedimentation tanks, ranges between________________?

Waste Water Engineering 24/04/2021

A. 25,000 to 35,000 litres/sqm/day
B. 40,000 to 50,000 litres/sqm/day
C. 50,000 to 60,000 litres/sqm/day
D. 80,000 to 100,000 litres/sqm/day

Related Mcqs:

    For treating the sewage of a large city, you will recommend_________________?
    A. A sedimentation tank and an activated sludge treatment plant B. A plant consisting of Imhoff tanks with low rate trickling filters C. Sedimentation tanks with high rate trickling filters D. None of these...
    The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is___________________?
    A. 1.5 B. 2.0 C. 3.0 D. 4.0...
    The design period of sewage treatment works in normally_________________?
    A. 5 – 10 years B. 15 – 20 years C. 30 – 40 years D. 40 – 50 years...
    The laying of sewers is done with____________________?
    A. Magnetic compass B. Theodolite C. Level D. Clinometer...
    The clarigesters are_________________?
    A. Circular septic tanks B. Rectangular septic tanks C. Circular Imhoff double tanks with bottom hoppers D. Circular Imhoff double storey tanks without bottom hoppers...

Leave a Reply

Your email address will not be published. Required fields are marked *