Uncategorized
how long will it take for the two water levels in the tanks to become equal?
Water flows between two adjacent parts of a vertically sided service reservoir through a submerged 0.3m diameter orifice (CD = 0.60) in a common…
Category: <span>Uncategorized</span>
Uncategorized
what should be the dimensions and side slopes of the channel to obtain the maximum discharge?
Water flows down a trapezoidal open channel that has a bottom width B of 4.0m and a water surface width BS of 17.2m when…
Uncategorized
Explain how it is possible for the flow at a particular cross-section in a channel to occur at two significantly different (alternate) depths of flow at the same discharge.
(a) Explain how it is possible for the flow at a particular cross-section in a channel to occur at two significantly different (alternate) depths…
Uncategorized
Determine by how much the depth of flow is increased by the weir at the weir.
A weir built to supply water to an old paper mill raises the water level in the river for some distance upstream. To reduce…
Uncategorized
Compare the chainages at which the upstream depth in the two questions first becomes 1.250m.
Repeat question 8.11 above using the direct step method. Assume that the required change in water level is (3.722 – 1.250) = 2.472m divided…
Uncategorized
Design a single barrel, rectangular culvert that will operate with outlet control, following the general procedure and example given in the text.
The design discharge for a culvert is 13.8m3 /s when the normal depth in the rectangular river channel is 1.9m. The channel has a…
Uncategorized
If a broad crested weir has a coefficient of discharge, C, of 1.65, and if it completely spans a 17.4m wide rectangular channel, what would be the head over the weir when the discharge is 6.8m3 /s?
(a) With respect to a broad crested weir, what is meant by the ‘submergence ratio’ and why is it important? (b) Water flows along…
Uncategorized
study the effect of altering the breakwaters at the entrance to a 150m wide river to allow the navigation of larger ships.
A physical hydraulic model is to be built to study the effect of altering the breakwaters at the entrance to a 150m wide river…
Uncategorized
Define what is meant by the specific speed of (a) a turbine and (b) a pump. (c) A turbine is required to generate 5.5MW of electricity from the regulating releases from Kielder Water reservoir.
Define what is meant by the specific speed of (a) a turbine and (b) a pump. (c) A turbine is required to generate 5.5MW…
Uncategorized
determine whether or not PVC is suitable for this application.
In a proposed pipeline a steady flow of water (K = 2100 ¥ 106N/m2 ) will exist at a velocity of 2.5m/s. The intention…