HVAC Level One Module Seven Exam
Questions and Answers 100% Solved
The organization that establishes manufacturing standards for
copper tubing is _______? - ✔✔ASTM
The working pressure rating of hard-drawn copper tubing is
typically _____ % higher than soft copper tubing? - ✔✔60
One of the main uses of flare fitting in HVAC work is to ______. -
✔✔connect various pressure controls
As the wall thickness of copper tubing increases, the inside
diameter of the tube is _________ - ✔✔decreased
One of the best reasons to use a tubing cutter instead of a
hacksaw is that ________ - ✔✔is does not create loose cuttings
Single-thickness flares may not be strong enough for ______. -
✔✔the larger sizes of copper tubing
1
©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
, Swaging a copper tube prepares it for a sound, reliable fit with a
compression ferrule. True of False? - ✔✔False
The pressure-relief valve on a nitrogen pressure test set should
be set to relieve pressure at ___________. - ✔✔one or two psig
above the required test pressure
Which type of tubing or pipe would be expected to require the
closest hangar spacing? - ✔✔1/2" copper tubing
The type of plastic pipe that does not support combustion is
_____________. - ✔✔CPVC
Which plastic product is most widely used in the plumbing
industry? - ✔✔PEX
Which type of plastic piping can be threaded? - ✔✔Schedule 80
PVC
The most common way to join plastic pipe is _________. -
✔✔solvent-cementing
2
©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
Questions and Answers 100% Solved
The organization that establishes manufacturing standards for
copper tubing is _______? - ✔✔ASTM
The working pressure rating of hard-drawn copper tubing is
typically _____ % higher than soft copper tubing? - ✔✔60
One of the main uses of flare fitting in HVAC work is to ______. -
✔✔connect various pressure controls
As the wall thickness of copper tubing increases, the inside
diameter of the tube is _________ - ✔✔decreased
One of the best reasons to use a tubing cutter instead of a
hacksaw is that ________ - ✔✔is does not create loose cuttings
Single-thickness flares may not be strong enough for ______. -
✔✔the larger sizes of copper tubing
1
©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
, Swaging a copper tube prepares it for a sound, reliable fit with a
compression ferrule. True of False? - ✔✔False
The pressure-relief valve on a nitrogen pressure test set should
be set to relieve pressure at ___________. - ✔✔one or two psig
above the required test pressure
Which type of tubing or pipe would be expected to require the
closest hangar spacing? - ✔✔1/2" copper tubing
The type of plastic pipe that does not support combustion is
_____________. - ✔✔CPVC
Which plastic product is most widely used in the plumbing
industry? - ✔✔PEX
Which type of plastic piping can be threaded? - ✔✔Schedule 80
PVC
The most common way to join plastic pipe is _________. -
✔✔solvent-cementing
2
©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
