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HVAC
NATE CHP-5 Certified HVAC Professional
Installation Practices
Knowledge Check
Installation Practices
Knowledge Check
Knowledge Check
1 / 15
During brazing of copper refrigerant lines, where should the torch flame primarily be directed?
A
The fitting (coupling or elbow) rather than the tubing, to draw solder into the joint
B
At the center of the tubing, away from the fitting
C
Directly at the filler metal to melt it into the joint
D
Equally between the tubing and fitting in a circular pattern
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