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2nd Year Welding > 201 > Flashcards

201 Flashcards

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Welding Inspection Basics flashcards
1
Q

If you change your machine from cc to cv what happens to your duty cycle?

A

It becomes a 100% duty cycle

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2
Q

What is a buzz box?

A

Ac transformer welding machines

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3
Q

What is a core?

A

The magnetic link between the primary and the secondary coils

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4
Q

What does the moveable shunt control on a welding machine?

A

It controls the current by moving the core in or out of the coil which alters the magnetic link

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5
Q

What does constant current mean?

A

That you are able to weld stick(SMAW) and tig(GTAW) it also produces a high open circuit voltage to allow for easier starting of the arc as well as a drooping bolt amp curve

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6
Q

What is reverse polarity?

A

DCEP

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7
Q

What is straight polarity?

A

DCEN

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8
Q

What is DCEP?

A

Reverse polarity

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9
Q

What is DCEN?

A

Straight polarity

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10
Q

What is the range of cable sizes available?

A

4-#4/0

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2nd Year Welding (3 decks)

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