For GTAW, the electrode is clamped in place inside the torch body by the _____
a. gas nozzle
b. electrode lead
c. collet assembly
d. valve knob and stem
c
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The purpose of Block 4 in Figure 16-2 is to ________
A) maintain a constant output current when the load current changes B) make sure that the fuse will not blow C) adjust the output voltage to the correct ac value D) keep the dc output voltage constant as the load changes
Explain why you might use graph paper to make sketches.
What will be an ideal response?
Describe how the correct diameter of filler metal will help control the weld bead width, buildup, and penetration.
What will be an ideal response?
Which of the following statements on multifunction timing relays is NOT true?
A) Since they are electronic they are part of the PLC. B) They have multiple timing functions with variations of the on-delay and off-delay timed outputs plus some pulsed output options are available. C) Multifunction timing relays eliminate need for additional relays in applications. D) They operate with a supply voltage in the 24 to 48 VDC range or the 24 to 240 VAC range.