LESSON 3
PRACTICE EXERCISE
The following items will test your knowledge of the material covered in this
lesson. There is only one correct answer for each item. When you complete
the exercise, check your answers with the answer key. If you answer any
items incorrectly, go back to the part of the lesson that contains the
information involved and study again.
1. What is the suction pressure required for temperatures over 100 degrees
Fahrenheit?
A. 10 psi.
B. 20 psi.
C. 30 psi.
D. 40 psi.
2. What type of gradient is used to determine suction and discharge
pressures?
A. True.
B. Operating.
C. Hydraulic.
D. Design.
3. What does the term "chaining" refer to?
A. Start at the end of the pipeline and work backwards.
B. Bypass any of the pump stations in case of emergency.
C. Counting down from the gradient.
D. Suction pressure required.
4. What is the normal suction pressure required?
A. 10 psi.
B. 20 psi.
C. 30 psi.
D. 40 psi.
5. What is the rate of head loss due to friction?
A. Operating gradient.
B. True gradient.
C. Design gradient.
D. Hydraulic gradient.
12-34
QM 5099
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