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NCCER HVAC LEVEL 1, MODULE 8 - SOLDERING/BRAZING/32 QUESTIONS AND ANSWERS (A+)
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NCCER HVAC LEVEL 1, MODULE 8 - SOLDERING/BRAZING/32 QUESTIONS AND ANSWERS (A+)
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NCCER HVAC LEVEL 1, MODULE 8- SOLDERING/BRAZING/32
QUESTIONS AND ANSWERS (A+)
What is a neutral flame? - √Answer :Equal parts oxygen
and acetylene
Quiz :What is a carburizing flame? - √Answer :A cooler
flame used for light brazing.
Quiz :At what PSI does Acetylene become unstable? -
√Answer :15 psi
Quiz :What do you use to light a torch? - √Answer :Cup
Striker
Quiz :Why is it dangerous to use a lighter to light a
torch? - √Answer :The flame may travel back into the
lighter and cause it to explode.
Quiz :How far do you open the acetylene valve on the
tank when brazing? - √Answer :1/2 turn to a full turn
Quiz :What is an alloy? - √Answer :Any substance made
up of two or more metals.
Quiz :What did the Federal Safe Drinking Water Act do?
- √Answer :It banned solders containing more than 0.2%
of lead in piping for use in potable (drinking) water
systems.
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