NATE Exam Review Questions

This video is a series of questions that are ideal for fellow technicians taking the NATE Exam. This is a series of ten questions you will find on the NATE Exam and can be further studied on the NATE Review.
In this video, I explain:
1) Why should you use 15% silver solder?
2) What is a spring bender
3) What does "topping off the system" mean?
4) What refrigerant works at the highest pressure?
5) What machine is used to remove non condensables?
6) How does a muffler work?
7) What are normal atmospheric questions?
8)What are locking caps?
9)How deep are the P Traps supposed to be?
10) How many BTUs are in a ton?
If you have any questions, feel free to comment or email me.
Thanks for watching!
- David
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[@Froggability]

What is the highest pressure? These days it's R32.. R22 obsolete R410A phasing out
What is atmospheric? Depends on elevation from sea level
Is that P trap 3 inches? Looks less I prefer the deeper ones that don't dry out in winter

[@deafhvacrsocal5292]

Good video sir 👍

[@justbeingreal5839]

Are these really in the test though