Self-Test D-1.5 Describe the Methods of Manufacture of Piping and Tubing

Complete Self-Test D-1.5 and check your answers.

1. What is the result of using defective materials?
   1. Lower costs
   2. Time savings
   3. You will not need to replace the material
   4. Invalid manufacturer’s warranty
2. What would be the correct action to take if the end of a cast-iron pipe is damaged?
   1. Cut the damaged end off
   2. Use a clamp to seal over the cracked end
   3. Seal the crack with a sealing compound
   4. Discard the entire pipe
3. What would you do to inspect coiled copper tubing when it arrives at the job site?
   1. Pressure-test the pipe
   2. Straighten the pipe out to full length
   3. Solder caps on the ends
   4. Inspect coils for pinching or flattening
4. What would you do to inspect a steel pipe length when it arrives at the job site?
   1. Remove the protective shipping coating from the entire pipe length
   2. Inspect the internal bore for debris
   3. Thread the pipe end and cap
   4. Grind off any bevels
5. What type of pipe has the SDR rating printed on it?
   1. Cast iron
   2. Copper
   3. Polyethylene
   4. PEX
6. What would you do to help detect a crack in a cast iron pipe or fitting before use?
   1. Test the fitting with air
   2. Test the fitting with water
   3. Blow air on the fitting
   4. Tap the fitting on a hard surface

Answer Key: Self-Test D-1.5 is on the next page.