Back
31: Review Questions
What causes the heat used to make a resistance spot weld?
Where is most of the heat developed when electricity flows through two or more pieces of metal?
List the five variables, or process controls, involved in spot welding.
Explain the difference between hold time and squeeze time.
In a step-down transformer, does current increase or decrease? Does voltage increase or decrease?
List two ways to change the current used for a spot weld.
Which RWMA electrode class is the one most commonly used? What metals are those electrodes used to weld?
What method is used to remove the heat developed in electrodes during spot welding?
What is the electrode used in seam welding often called?
If a problem develops with a resistance welding machine, what is the first thing you should do?
Your Name
Your E-mail
Send yourself a copy
Your Instructor's E-mail
Additional Recipient's E-mail (optional)
Comments
I confirm my input is correct and am ready to submit