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What is the significance of tailwater level in culverts? The
What is the significance of tailwater level in culverts? The headwater level and tailwater level of culverts are important parameters in hydraulic de...
Why are voids filled with lightweight infilling material in raft
Why are voids filled with lightweight infilling material in raft foundation of pumping stations? To reduce the dead load and hence to reduce the sett...
What is the purpose of bellmouth entry to a circular pipe for
What is the purpose of bellmouth entry to a circular pipe for pumps? If sharp edged inlet to pipes connecting to a pump is adopted, flow separation w...
In the design of service reservoirs, how are reservoir floors
In the design of service reservoirs, how are reservoir floors designed to prevent leakage of water due to seasonal and shrinkage movements? There are...
What is the significance of critical slope in hydraulic design of
What is the significance of critical slope in hydraulic design of box culvert? Critical slope is the minimum slope in which maximum discharge shall o...
Why are axial flow pumps suitable for large flows and low
Why are axial flow pumps suitable for large flows and low heads? It is well known that axial flow pumps are most suitable for providing large flows a...
In selection of waterstop, shall engineers use plain dumb-bell
In selection of waterstop, shall engineers use plain dumb-bell type or center-bulb type? The plain dumb-bell type is used for joint location where sm...
In most developed countries, the shapes available are set out in
In most developed countries, the shapes available are set out in published standards, although a number of specialist and proprietary cross sections a...
In scale models, should Froude Number or Reynolds Number be
In scale models, should Froude Number or Reynolds Number be adopted to obtain similarity between model and prototype? Froude number is used when grav...
Why do BS8007 specify the allowable crack width of water retaining
Why do BS8007 specify the allowable crack width of water retaining structure as 0.2mm for severe or very severe exposure? For crack width less than 0...

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