A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is_____________________?

Related Mcqs:

The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is__________________?

A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec...

The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope_________________?

A. 1 in 5 B. 1 in 10 C. 1 in 15 D. 1 in 20...

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...

For detecting the nitrites in the sewage, the matching colour may be developed by adding_________________?

A. Potassium permanganate B. Sulphuric acid and napthamine C. Phenol-di -sulphuric acid potassium hydroxide D. None of these...

Assertion A.: A free board of 0.3 m is provided above the top sewage line in septic tanks. Reason (R): It helps to accommodate the scum in the septic tank_________________?

A. Both A and R is true and R is the correct explanation of A B. Both A and R is 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...