COMPLETE SOLUTIONS GUARANTEED PASS BRAND
NEW 2025
When a new system has been assembled, the first thing
to do is? - CORRECT ANSWER - >Pressurize the system
with an inert gas & leak check.
After installation of a field-piped R-410A split heat pulp,
the unit should first be? - CORRECT ANSWER -
>Pressurized with nitrogen then leak checked.
The EPA regulations require 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? - CORRECT ANSWER - >15%
R-410A requires recovery tanks rated for at least? -
CORRECT ANSWER - >400 psig
After refrigerant liquid has been recovered from a
system, any remaining vapor is? - CORRECT ANSWER -
>Condensed by the recovery system.
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