This metal should never be cut with CAC-A because it produces highly toxic fumes.
LEAD
CAC-A electrodes are made of_______.
CARBON
CAC-A uses either of these power sources.
What is AC or DC
CAC-A is used for this in foundries.
What is remove excess metal from castings
One effect on the base metal can be this.
What is slight surface hardening?
Cutting S.S. with CAC-A releases this toxic fume.
Chromium
Common diameters of electrodes
What is 5/32-1"(4-25mm)
Minimum recommended open circuit voltage (OCV).
60 VOLTS
Fully automatic machines are known for this.
What is accuracy
The purpose of compressed air in CAC-A.
What is remove the molten metal?
This # shade of filter lens is recommended for CAC-A
What is #12
Common lengths of electrodes
What is 12-18"(300-450mm)
Minimum Arc voltage required
28 VOLTS
CAC-A electrode stick-out
What is 4"-6"
CAC-A is commonly used to prepare this type of weld joint.
What is a U-Groove
Welding current and voltage depend on this
DAILY_DOUBLE$$$$$ (two answers)
What is electrode size/Type of cutting job
Name 5 PPE's required for CAC-A cutting . 6 for bonus
Ear protection, cutting shield, leather jacket, leather gloves, leather work boots ----bonus "leather apron"
Carbon left behind can cause a weld to be this
What is brittle