Fresh sewage may become stale in_________________?

Related Mcqs:

For a continuous flow type of sedimentation tanks__________________?

A. Width of the tank is normally kept about 6 m B. Length of the tank is normally kept 4 to 5 times the width C. Maximum horizontal flow velocity is limited to 0.3 m/minute D. All the above...

The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning’s formula, is given by______________________?

A. Bazin B. Crimp and Bruges C. William-Hazen D. Kutter...

Lead acetate test in sewer manhole is done to test the presence of ____________________?

A. Methane gas B. Hydrogen sulphide C. Carbondioxide gas D. Diesel vapours...

The normal values of over flow rates for secondary sedimentation tanks, ranges between__________________?

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 10,000 litres/sqm/day...

Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other water qualities_________________?

A. Both A and R are true and R is the correct explanation of A B. Both A and R are true but R is not a correct explanation of A C. A is true but R is false D. A is false but R is true...