In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time?

Related Mcqs:

¾th or ¼th extra space is left in sewer pipes at maximum discharge for_________________?

A. Low estimates of the average and maximum flows B. Large scale infiltration of storm water C. Unexpected increase in population D. All the above...

If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is__________________?

A. 1.39 m B. 1.49 m C. 1.59 m D. 1.69 m...

The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in__________________?

A. Chezy’s formula B. Bazin’s formula C. Kutter’s formula D. Manning’s formula...

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...

If the depth of partial flow in a sewer of diameter 2 m, is 50 cm, its wetted perimeter is____________________ ?

A. 1/3 B. 0/2 C. 0/3 D. 2 /3...