Rac 40 quiz 7 review - Study guides, Class notes & Summaries

RAC 40 Quiz 7 Review Questions and Answers All Correct When When making a swage joint, what should the depth of the enlarged portion of the tube be? - Answer- Depth depends on the diameter of the tubing and should have the same measurements as the diameter of the tubing The type of steel pipe thread used primarily in this industry is the "tapered" thread. Why? - Answer- tapered has a better fit When soldering, what is the flow of molten filler material between the two base metals ca...

RAC 40 Quiz 7 Review | Latest Update | 2024/2025 | 100% Verified What is the key difference between soldering and brazing? Soldering occurs below 840°F, while brazing takes place at temperatures above 840°F. Why is flux used in both soldering and brazing? Flux removes oxides from the metal surface and prevents further oxidation during the heating process. What is the purpose of capillary action in brazing? Capillary action draws the molten filler material into the joint betw...

RAC 40 Quiz 7 Review Study Guide 2024. When soldering, flux should be applied to ________. - CORRECT ANSWER C. The male part of the joint only The size indicated for the diameter of copper tubing used for plumbing is the approximate __________. - CORRECT ANSWER C. Inside dimension When joining steel pipe, ___________ should be applied to the threads before connecting. - CORRECT ANSWER A. Pipe dope The maximum temp. at which soft solder is done is __________. - CORRECT ANSWER D. 842...

RAC 40 Quiz 7 Review - Questions and Answers When soldering, flux should be applied to ________. The male part of the joint only The size indicated for the diameter of copper tubing used for plumbing is the approximate __________. Inside dimension When joining steel pipe, ___________ should be applied to the threads before connecting. Pipe dope The maximum temp. at which soft solder is done is __________. 842 F If a technician needs 5/8" ACR for an installation and was located near only a plu...