WorksheetsBrazing Techniques and Equipment
Total questions: 15
Worksheet time: 8mins
What is the main process being shown in this video?
Welding
Brazing
Soldering
Gluing
What color is the brazing hearth unit?
Blue
Green
Orange
Yellow
What temperature is needed to melt steel for welding?
Just over 1400 degrees
Less than 1000 degrees
Around 500 degrees
Exactly 750 degrees
What temperature is used for brazing?
Over 1500 degrees
Less than 1000 degrees
Exactly 1200 degrees
Around 200 degrees
What is the main difference between brazing and welding?
Welding uses glue, brazing melts metal
Brazing melts a filler metal, welding melts the main metals
Welding is done by hand, brazing is done by machine
Brazing is for wood, welding is for metal
What type of gas powers the brazing hearth?
Propane
Butane
Natural gas
Acetylene
What are the special bricks in the brazing hearth designed to do?
Melt easily to create a bond
Disintegrate with heat to release fumes
Withstand high temperatures and trap heat
Change color to indicate readiness
What is the purpose of the extraction system above the brazing hearth?
To cool down the metal quickly
To provide more oxygen for the flame
To remove smoke, fumes, and gases
To store extra tools and materials
What is the first step to light the brazing torch system?
Turn on the gas to the torch
Turn on the compressed air
Put power to the brazing hearth
Light a match near the torch
What does the blower switch on the brazing hearth do?
Turns off the gas supply
Creates a small, constant pilot flame
Activates the extraction system
Cools down the firebricks
What does the red pipe on the brazing torch carry?
Compressed air
Water
Natural gas
Oxygen
What color is the flame when only natural gas is burning from the torch?
Blue
Green
Yellow
Purple
When lighting the brazing torch, what should be turned on first?
The compressed air
The natural gas
Both at the same time
The pilot light
What is the purpose of the flux used in brazing?
To make the metal stronger
To cool down the metal quickly
To aid the flow of the brazing rod and clean surfaces
To change the color of the metal
What is the final step after the brazing joint is made and the flame is turned off?
Leave the metal to cool slowly in the air
Quench the metal in cold water
Paint the joint to protect it
File the joint immediately
