
brazing

Passage
•
Science
•
Professional Development
•
Hard
Standards-aligned
Jermaine Taffe
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step when brazing copper tubing?
Purge the air from the system
Remove any Schrader cores
Cut the copper tubing
Clean the copper with an emery cloth
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What tool is used to deburr copper tubing after cutting?
Needle nose pliers
A navac deburring tool
A wrench
A torch
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of flowing nitrogen while brazing?
To cool down the tubing
To clean the tubing
To increase the heat
To prevent oxidation inside the tubing
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct setting for oxygen and acetylene when using a standard tip?
5 for both oxygen and acetylene
7 for acetylene and 11 for oxygen
7 for both oxygen and acetylene
10 for both oxygen and acetylene
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct procedure to light the torch?
Oxygen first, then acetylene
Acetylene only, then mix in oxygen
Oxygen and acetylene together
Acetylene first, then oxygen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of flame is typically sought for brazing?
Oxidizing flame
Neutral flame
Carburizing flame
Reducing flame
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason for using wet rag heat blocking putty?
To clean the tubing
To apply flux
To protect critical system components from heat
To cool down the tubing quickly
Tags
NGSS.MS-PS3-3
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