HVAC Journeyman Practice Exam

Disable ads (and more) with a membership for a one time $4.99 payment

Study for the HVAC Journeyman Exam with our comprehensive resources. Get familiar with the exam format through engaging quizzes, flashcards, and multiple-choice questions designed to enhance your knowledge. Prepare effectively and confidently for your HVAC journey!

Practice this question and more.

What material should not be used to connect ducts for exhausting clothes dryers?

Draw bands
Metal screws
Solder
Snap-lock joints

The correct answer is: Solder

Using solder to connect ducts for exhausting clothes dryers is not advisable for several reasons. First, soldering creates a joint that is not properly flexible to handle the expansion and contraction caused by the heat and moisture of dryer exhaust. This can lead to fatigue and eventual failure of the joint over time. Additionally, solder joints can create a tight seal that doesn’t allow for easy disassembly, making maintenance difficult. The accumulation of lint and debris can also become a fire hazard if the connection is not adequately inspected or cleaned. In contrast, the other materials mentioned are more suitable for dryer duct connections. Draw bands provide a method to secure ductwork without causing damage to the metal, metal screws can be easily tightened or loosened for disassembly, and snap-lock joints allow for easy assembly and disassembly while maintaining a good seal. Using these alternative methods helps ensure the ventilation system operates effectively and safely.