Instructions: www.garyklinka.com
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Course:
6916 "INTERNET" TESTPEX45 |
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This
course is valid for these credentials: |
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Credential
Description |
Cred Code |
Credit Hours |
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Commercial
Plumbing Inspector |
CPI |
4.0 |
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Journeyman
Plumber |
PJ |
4.0 |
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Journeyman
Plumber-Restricted Appliance |
PJRA |
4.0 |
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Master
Plumber |
PM |
4.0 |
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Master
Plumber-Restricted Appliance |
PMRA |
4.0 |
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UDC-Plumbing
Inspector |
UPI |
4.0 |
1. The cross-link technology used in Aquapex tubing is similar to the design and characteristics of a chain link fence.
a. true
b. false
2. When Aquapex tubing is integrated into the household cold water system and is also used for fire protection a ____________ is allowed by code to install the tubing in a new single family home.
a. licensed sprinkler contractor
b. licensed master plumber
c. homeowner
d. all of the above
3. Aquapex tubing was the first tubing to receive standard grade pressure ratings of _____ psi at _____ ° F.
a. 70, 190
b. 80, 200
c. 90, 200
d. 100, 200
4. ProPex fittings must be cleaned with the manufacturer’s approved primer.
a. true
b. false
5. Aquapex tubing is remarkably freeze ____________.
a. proof
b. resistant
c. both a & b
d. neither a or b
6. Aquapex tubing has been tested under high temperatures and high pressures for _____ years.
a. 20
b. 23
c. 24
d. 25
7. Aquapex tubing is resistant to harsh chemicals, aggressive water and soil conditions.
a. true
b. false
8. If the Aquapex tubing becomes kinked a heat gun can be used to repair it and can be heated up to a temperature that turns the tubing transparent. Once cooled it returns to its original strength.
a. true
b. false
9. Pull out tests stretched the Aquapex tubing to ______ pounds of pressure and the ProPex connections didn’t burst.
a. 200
b. 300
c. 400
d. 500
10. The ProPex expansion tool expands the following tubing sizes: ½”, ¾”, 1”, 1 ½”.
a. true
b. false
11. The ProPex expansion tool requires calibration.
a. true
b. false
12. ProPex fittings are approved to be used with other manufacturer’s pex tubing.
a. true
b. false
13. A Pex ring should extend beyond the square cut edge of the tubing by ____”.
a. 1/16
b. 1/32
c. 1/4
d. 3/8
14. When expanding the tubing and before the final expansion is made the tubing must be removed from the tool and rotated ___ turn.
a. 1/8
b. 1/4
c. 1/2
d. 3/8
15. After expanding the tubing and ring, then insert the fitting into the tubing until it reaches the __________ on the fitting.
a. hub
b. spigot
c. shoulder
d. a, b & c
16. 3/8” pex rings must be expanded once from each side before assembling on the tubing.
a. true
b. false
17. When expanding 3/8” Aquapex tubing you must rotate the tubing ___ turn after each expansion.
a. 1/16
b. 1/8
c. 1/4
d. 1/2
18. It is allowable to cut the Aquapex tubing prior to connection with up to a 25° offset.
a. true
b. false
19. Using the expansion tool and expanding 3/8” tubing, what is the maximum number of expansions allowed by the manufacturer?
a. 3
b. 4
c. 5
d. 6
20. Using the expansion tool and expanding 3/4” tubing, what is the maximum number of expansions allowed by the manufacturer?
a. 5
b. 4
c. 9
d. 14
21. Using the expansion tool and expanding 1/2” tubing, what is the minimum number of expansions allowed by the manufacturer?
a. 2
b. 3
c. 4
d. 5
22. Using the expansion tool and expanding 1” tubing, what is the minimum number of expansions allowed by the manufacturer?
a. 8
b. 12
c. 14
d. 9
23. The number of expansions to get the tubing to accept the fitting up to the proper insertion point depends on technique and temperature. Allowable connections shouldn’t exceed the expansion table.
a. true
b. false
24. ProPex fittings are considered manufactured connections and are allowed to be concealed in walls spaces.
a. true
b. false
25. A good connection is considered when the Pex tubing is snug against the ________ of the fitting.
a. hub
b. spigot
c. shoulder
d. a, b & c
26. It is acceptable to cut the Pex ring off, heat the tubing with a heat gun until the tubing is transparent, separate the tubing from the fitting, cut 2” off the tubing, and reinstall the fitting to the manufacture’s specifications.
a. true
b. false
27. Wirsbo’s manifold can be installed in the vertical or horizontal position.
a. true
b. false
28. When making the transition from copper to Pex tubing it is acceptable by the manu-facturer to sweat the joints adjacent to the Pex fitting while the Pex tubing is connected.
a. true
b. false
29. When making the transition from copper to pex tubing it is acceptable by the manu-facturer to thread the joints adjacent to the Pex fitting while the pex
tubing is connected.
a. true
b. false
30. When repairing fittings off site it would be acceptable to burn the joints apart.
a. true
b. false
31. When installing the Pex tubing in the cold weather it is recommended to keep the fittings and rings warm. Cold weather according to the manufacturer is a temperature below ___ ° F.
a. 30
b. 35
c. 32
d. 40
32. When expanding Pex tubing in the cold weather fewer expansions are required because the tubing contracts more slowly. In this case, only expand the tubing until it reaches the stop on the expansion tool.
a. true
b. false
33. When expanding Pex tubing in the cold weather it is acceptable to hold the tubing in the expanded position for an extended length of time due to the weather conditions.
a. true
b. false
34. When installing Pex tubing in cold weather conditions wait ___ minutes after the installation before pressure testing.
a. 5
b. 10
c. 20
d. 30
35. When installing Pex tubing in cold weather conditions and a leak is detected during the pressure test, it would be acceptable to warm the connection for up to ___ seconds with a heat gun to re-seal the connection.
a. 5
b. 15
c. 20
d. 30
36. When re-sealing the Pex connection as mentioned in question #34 it is acceptable to warm the connection until the tubing becomes transparent.
a. true
b. false
37. The name PEX is associated with?
a. polyethylene
b. cross-link
c. a & b
d. neither a or b
38. Over expanding the tubing will result in performance difficulty.
a. true
b. false
39. When expanding the tubing and before the final expansion is made the tubing must be removed from the tool and rotated a partial turn. Why is this necessary?
a. to prevent excessive expansion
b. to prevent ridges from being formed on the inner wall of the tubing
c. both a & b
d. neither a or b
40. When the expansion tool doesn’t expand the tubing enough to insert the fittings the manufacturer recommends that:
a. The tool must be sent in to manufacturer
b. The tool must be replaced
c. both a & b
d. neither a or b
41. Aquapex tubing sizes range from:
a. ½” to 1”
b. 3/8” to 1”
c. 3/8 to 1 ½”
d. ½” to 1 ½”
42. Angle Method and cross-link technology are associated with the two most important properties of Aquapex. These two properties would be thermo memory and shape memory.
a. true
b. false
43. Hammer arrestors are not required if Aquapex tubing is used.
a. true
b. false
44. Why is Aquapex tubing considered clean, healthy and safe?
a. no solder
b. no flux
c. no solvents
d. a, b, & c
45. One outstanding feature about Aquapex tubing is a low thermal transfer. This would attribute to:
a. Quiet-no water hammer
b. Highly freeze resistant
c. No sweating pipes
d. Resistant to aggressive soils and water
To obtain your Continuing Education Credits follow the below instructions.
Send by mail
-----------------------------Educational Course Attendance Verification Form ------------------------------
Attendee’s Name Date
Address
Credential Number Phone#
Course Title and Name Testpex45
List the name of each credential held by attendee
Credited Hours 4 hrs
Email address Fax#
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To be completed by Gary Klinka www.garyklinka.com My credential link #70172
Course Password Course ID# 6916
Attendee passed the course with a greater than 70% score on Date
Instructor Signature