Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is__________________?

Related Mcqs:

1. In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient,______________?

   A. Is only provided B. Is doubled C. Is trebled D. Is not enough...

2. The most efficient cross section of sewers in a separate sewerage system is__________________?

   A. Parabolic B. Circular C. Rectangular D. New egged...

3. The suitable cross-section of sewers to carry combined flow, is__________________?

   A. Circular B. Egg shaped C. Rectangular D. Horse shoe shaped...

4. Clogging of sewers, is caused due to_______________?

   A. Silting B. Low discharge C. Greasy and oily matters D. All the above...

5. 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?

   A. 100 mm dia. B. 150 mm dia. C. 225 mm dia. D. All of these...

6. Large diameter sewers subjected to external pressure alone, are reinforced ______________________?

   A. Near the inner surface of the pipe B. Near the outer surface of the pipe C. Both A. and B. D. With elliptical cage...

7. If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be _____________________?

   A. 2 meters of water column B. 3 meters of water column C. 5 meters of water column D. 6 meters of water Column E. 7 meters of water column...

8. The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is____________________?

   A. 100 cm B. 110 cm C. 120 cm D. 150 cm...

9. Normal depth in open channel flow is the depth of flow corresponding to_______________?

   A. steady flow B. unsteady flow C. laminar flow D. uniform flow E. critical flow...

10. The asbestos cement sewers are_________________?

    A. Light in weight B. Not structurally strong to bear large compressive stress C. Susceptible to corrosion by sulphuric acid D. All the above...