COMPLETE STUDY GUIDE/
ACTUAL ACCURATE
QUIZZES WITH DETAILED,
VERIFIED ANSWERS / A
GRADE / 2025.
Practice questions for this set
Terms in this set (70)
When a new system has Pressurize the system with an inert gas & leak check.
been assembled, the first
thing to do is?
After installation of a Pressurized with nitrogen then leak checked.
fieldpiped R-410A split heat
pulp, the unit should first be?
The EPA regulations require 15%
that any appliances
containing more than 50
pounds of refrigerant
(except for commercial &
industrial process
refrigeration) must be
repaired when the leak rate
exceeds _________ of the
charge per year?
, R-410A requires recovery 400 psig
tanks rated for at least?
After refrigerant liquid has Condensed by the recovery system.
been recovered from a
system, any remaining vapor
is?
Recover as much R-502 from the recovery unit as possible,
change filter, & evacuate.
Your recovery/recycling
machine has R-502
refrigerant in it. You now
have to recover
refrigerant from a unit with
R-22. What must be done
before the R-22 refrigerant
can be recovered/recycled?
In a refrigeration system with Receiver
a TXV (or other type of
throttling device), the
component directly following
the condenser is the?
When charging an R-410A 120 psig
system that uses a
watercooled condenser, you
must first charge with vapor
to a pressure of at
least________, before
switching to liquid charging.