LESSON 5
PRACTICE EXERCISE
The following items will test your grasp of the material covered in this lesson. There is only one correct answer
for each item. When you complete the exercise, check your answer with the answer key that follows. If you
answer any item incorrectly, study again that part of the lesson which contains the portion involved.
1.
A culvert is-
A.
An open channel paved with concrete.
B.
A vertical wall.
C.
An enclosed waterway placed through an embankment or fill.
D.
A temporary drainage system for use in the TO.
2.
The crown is the top side of the culvert and the __________ is the inside bottom.
A.
Invert
B.
Well
C.
Flow level
D.
Bedding
3.
The discharge capacity, Q, is controlled by elevation of the inlet, slope, elevation of tailwater, and type of
inlet.
A.
Length of culvert
B.
Wind
C.
Design storm
D.
Age of the culvert
4.
Which of the following is considered to be an advantage of using concrete pipe as composed to CMP?
A.
Concrete pipes require a downstream headwall.
B.
Concrete pipe joints do not need to be sealed.
C.
It is stronger and therefore requires less cover.
D.
It can be used in rock cuts.
5.
If two CMP pipes are necessary to carry Q, and each pipe is 16 inches in diameter, what is the space
between the pipes, in inches?
A.
8
B.
16
C.
24
D.
36
5-23
EN5465
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