Brazin Study guides, Class notes & Summaries

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 ...

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...

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...

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...

ASME Section IX Welding and Brazing Qualifications

ASME Section IX Welding and Brazing Qualifications

NCCER HVAC LEVEL 1, MODULE 8 - SOLDERING/BRAZING/32 QUESTIONS AND ANSWERS (A+)

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...

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...

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...