Brazin - Study guides, Class notes & Summaries
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NCCER HVAC Level 1, Module 8 - Soldering Brazing 2023/2024 verified to pass
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NCCER HVAC Level 1, Module 8 - Soldering BrazingWhat is a neutral flame? 
Equal parts oxygen and acetylene 
 
 
What is a carburizing flame? 
A cooler flame used for light brazing. 
 
 
At what PSI does Acetylene become unstable? 
15 psi 
 
 
What do you use to light a torch? 
Cup Striker 
 
 
Why is it dangerous to use a lighter to light a torch? 
The flame may travel back into the lighter and cause it to explode. 
 
 
How far do you open the acetylene valve on the tank when brazing? 
1/2 turn ...
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NCCER HVAC Level 1, Module 8 - Soldering Brazing Exam Questions 2024.
- Exam (elaborations) • 5 pages • 2024
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NCCER HVAC Level 1, Module 8 - Soldering Brazing Exam Questions 2024. 
What is a neutral flame? 
Equal parts oxygen and acetylene 
 
 
What is a carburizing flame? 
A cooler flame used for light brazing. 
 
 
At what PSI does Acetylene become unstable? 
15 psi 
 
 
What do you use to light a torch? 
Cup Striker 
 
 
Why is it dangerous to use a lighter to light a torch? 
The flame may travel back into the lighter and cause it to explode. 
 
 
How far do you open the acetylene valve on the tank w...
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NCCER HVAC Level 1, Module 8 - Soldering/Brazing (Review Q&A For NCCER Soldering/Brazing Exam)
- Exam (elaborations) • 3 pages • 2023
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NCCER HVAC Level 1, Module 8 - Soldering/Brazing (Review Q&A For NCCER Soldering/Brazing Exam) 
What is a neutral flame? Correct Ans - Equal parts oxygen and acetylene 
 
What is a carburizing flame? Correct Ans - A cooler flame used for light brazing. 
 
At what PSI does Acetylene become unstable? Correct Ans - 15 psi 
 
What do you use to light a torch? Correct Ans - Cup Striker 
 
Why is it dangerous to use a lighter to light a torch...
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ASME Section IX Welding and Brazing Qualifications Questions and Answers 2023
- Exam (elaborations) • 4 pages • 2023
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ASME Section IX Welding and Brazing Qualifications
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Oxyacetylene Welding/ Brazing (With 100% Error-Free Answers)
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why is the oxygen cylinder painted green? correct answers for identification purposes. this is the military standard. 
 
why shouldn't the acetylene cylinder valve be open more than 1 1/2 turns? correct answers to close the cylinder quickly in the event of a fire in the hose. 
 
what permits us to compress acetylene gas to 250 psi when we know it may explode at 29.4 psi in a gas state? correct answers by adding acetone to the cylinder. 
 
what type of lubricant should be used in oxyacetylene we...
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ASME Section IX Welding and Brazing Qualifications Questions with solutions 2023
- Exam (elaborations) • 4 pages • 2023
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ASME Section IX Welding and Brazing Qualifications
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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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cih toxicology questions and answers 100% correct
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cih toxicology questions and answers 100% correct 
Cadmium Aerosols 
Use: electroplating, som industrial paints, batteries 
acute: flu-like, PE, PN, URT 
chronic: loss of smell, Kidney damage (tubular proteinuria), Anemia, C-Prostate/Lung 
TOg: kidney, lungs, bone, prostate. 
 
 
 
Vinyl chloride 
Use: PVC (Intermediate product, liquid) 
acute: headache, nausea, weakness URT, 
chronic: angiosarcoma of liver, reproductive damage 
TOg: Liver, CNS, blood, RT 
 
 
 
carbon monoxide 
Use: lasers, po...
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F-60 Questions with correct Answers 2023
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F-60 Questions with correct Answers 2023 
Fire guard 
A person holding a certificate of fitness for such purposes , whois trained in and responsible for maintaining a fire watch and performed fire safety duties as may be prescribed by the commisioner 
 
 
 
fire watch 
A temporary measure intended to ensure continuous and systematic surveillance of a building or portion thereof by one or more qualified individuals for the purposes of identifying and controlling fire hazards, detecting early sign...
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FDNY G60 Definitions Questions with correct Answers 2023
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FDNY G60 Definitions Questions with correct Answers 2023 
CNG 
Compressed natural gas 
 
 
 
Fire guard 
A person holding a Certificate of fitness for such purposes, who is trained in and responsible for maintaining a fire watch and performing such fire safety duties as may be prescribed 
 
 
 
Fire watch 
A temporary measure intended to ensure continuous and systematic surveillance of a building or portion thereof by one or more qualified individuals for the purposes of identifying and. I troll...
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