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Design of Pipe Culverts


Quiz Questions

1. If a canal crosses a natural channel with a skew, where is it best to locate the culvert?
Under the channel
On a skew with the canal
Behind the outlet
None of the above
2. S1 should be ___________ than critical slope.
More steep
Less steep
3. Culverts may consist of:
Precast reinforced concrete culvert pipe (RCCP)
Asbestos-cement pressure pipe (AC)
Reinforced plastic mortar pressure pipe (RPM
All of the above
4. The cutoff walls of concrete transitions ___________ the danger of piping by percolation.
Reduce
Increase
5. In case of concrete transitions, the culvert conduit is sized on the basis of _______________ full pipe velocity.
Minimum
Maximum
6. There are __________ types of concrete transitions.
One
Two
Three
Four
7. Precast concrete pipe is widely supplied in increments of inches of ____________ diameter.
Three
Five
Ten
Fifteen
8. If the upstream water surface is not influenced by flow conditions from inlet, it is said to have.
Inlet contro
Outlet control
9. The pipe losses consist of:
friction losses
bend losses
Both
Neither
10. Erosion protection is required at culvert inlet.
True
False
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