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WorksheetsWLD-112 Basic Welding (Midterm)
Total questions: 35
Worksheet time: 47mins
purging the gas lines:
releases any pressure from the gas lines
removes oxygen air from the weld lines
releases pressure from the drive roller
makes the free spin, spin
The green hose in Oxy Acetylene cutting is always connected to what?
oxygen
fuel
acetylene
air
Why is oxygen added to acetylene for cutting?
make it hotter
make the flame cleaner
reduce the amount of carbon deposit
to puddle metal with other metals
A thinner glove is typically preferred when Brazing because?
the temperature is not very hot
because its not synthetic
in case of fire prevention
finger and manual dexterity
What are the different welding tips used for during O/A Brazing?
for different thickness of metal
for different types of metal
to switch from cutting to welding
to control the flame so it is safe
What is the acetylene pressure setting for correctly Oxy Acetylene Cutting, Brazing, or welding?
5 psi
5 cfh
5 kg
5 abs
Oxy Acetylene Brazing and Welding is a two handed process, what does this mean?
two hands are used to control the large fire existing the torch
grab the torch with two hands, both like a pencil
one hand operates the torch while the other hand adds filler material
one hand operates the torch while the other hand controls gas pressure
When completion of Oxy Acetylene Brazing Cutting and Welding what must an operator do to the equipment?
mark it with soap stone to denote usage hours
remove torch parts and leak check the system
bleed the lines and zero the regulators
check for adequate fuel supply remaining due to acetylene 7 hour fill rule
