Free C60 Welding Exam

Welcome to your free C-60 Welding Exam

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1. 
Approximately how much heat is released at the electrode for DCSP welding?

2. 
If a welder is welding at 300 amps and the combined length of the electrode and work leads is 150 feet, what is the recommended size of the lead or cable?

3. 
Alternating current would most likely be used in GTAW to weld which of the following metals?

4. 
What is the MINIMUM thickness of steel that is covered by the AWS D1.1 Structural Steel welding code?

5. 
When welding with FCAW, how can the operator control excess spatter?

6. 
Cast iron and nonferrous metals:

7. 
Which of the following hazards is the greatest concern when storing gas cylinders?

8. 
Propane and butane easily produce a ___________.

9. 
Which of the following can cause porosity in the weld or erosion of the electrode in GTAW?

10. 
Which of the following is not true of MIG (GMAW) welding? ​