CDC 3E451A; WATER AND FUEL SYSTEMS MAINTENANCE
JOURNEYMAN VOLUME; 3. PLUMBING SYSTEMS
UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS
Question:
1. Manufactured in sizes from ½" to 18" in diameter and rigid
and flexible forms; it is used in water, waste, and gas
systems
Answer:
Plastic pipe
Question:
2. Available in wall thicknesses of K, L, M, or DWV
Answer:
Copper tubing
Question:
3. Produced in standard lengths of 21' and is available with
galvanized coating and joined by the use of threads
Answer:
Steel pipe
Question:
4. Used to carry liquids that are corrosive to most metals
Answer:
Stainless steel pipe
Question:
5. Produced in sizes from 3" to 48" in diameter; it is joined
by bell and spigot, flanged, or mechanical joints.
Answer:
Cast-iron water pipe
Question:
6. Available in diameters 2" to 15", it is used in drainage
systems.
Answer:
Cast-iron soil pipe
, Question:
7. Produced in 2' to 6' lengths and 4" to 36" diameters; it is
used in sewer systems.
Answer:
Vitrified clay tile pipe
Question:
8. Available in 13' lengths, three classes, and 3" to 36"
diameters
Answer:
Asbestos-cement pipe
Question:
9. Refers to externally threaded ends of fittings or pipe
Answer:
Male ends
Question:
10. Refers to internally threaded ends of fittings or pipe
Answer:
Female ends
Question:
11. Available in various lengths up to a maximum of 12"
Answer:
Nipples
Question:
12. Joins two pipes end to end that may have to be taken
apart later
Answer:
Unions
Question:
13. Has female threads at both ends and is used to join pipes
at 45 or 90°
Answer:
Elbows
JOURNEYMAN VOLUME; 3. PLUMBING SYSTEMS
UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS
Question:
1. Manufactured in sizes from ½" to 18" in diameter and rigid
and flexible forms; it is used in water, waste, and gas
systems
Answer:
Plastic pipe
Question:
2. Available in wall thicknesses of K, L, M, or DWV
Answer:
Copper tubing
Question:
3. Produced in standard lengths of 21' and is available with
galvanized coating and joined by the use of threads
Answer:
Steel pipe
Question:
4. Used to carry liquids that are corrosive to most metals
Answer:
Stainless steel pipe
Question:
5. Produced in sizes from 3" to 48" in diameter; it is joined
by bell and spigot, flanged, or mechanical joints.
Answer:
Cast-iron water pipe
Question:
6. Available in diameters 2" to 15", it is used in drainage
systems.
Answer:
Cast-iron soil pipe
, Question:
7. Produced in 2' to 6' lengths and 4" to 36" diameters; it is
used in sewer systems.
Answer:
Vitrified clay tile pipe
Question:
8. Available in 13' lengths, three classes, and 3" to 36"
diameters
Answer:
Asbestos-cement pipe
Question:
9. Refers to externally threaded ends of fittings or pipe
Answer:
Male ends
Question:
10. Refers to internally threaded ends of fittings or pipe
Answer:
Female ends
Question:
11. Available in various lengths up to a maximum of 12"
Answer:
Nipples
Question:
12. Joins two pipes end to end that may have to be taken
apart later
Answer:
Unions
Question:
13. Has female threads at both ends and is used to join pipes
at 45 or 90°
Answer:
Elbows