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SMAW > SMAW > Flashcards

SMAW Flashcards

1
Q

What does the 60 represent in a 6010?

A

Tensile strength 60 000PSI

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2
Q

What does the 1 represent in a 6010?

A

Welding position all positions in this case

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3
Q

What does the 2 represent in a 7024?

A

Welding position flat and horizontal fillets

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4
Q

What does the 3 represent in a 7038?

A

Welding position flat only

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5
Q

What does the 70 represent in a 7024?

A

Tensile Strength 70 000 PSI

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6
Q

What does the 110 represent in a 11018?

A

Tensile Strength 110 000 PSI

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7
Q

what two digits inform the welder of the electrodes polarity and flux composition?

A

The last two digits

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8
Q

What is the recommended size of a stringer bead in SMAW?

A

2-3 times the size of the bare electrode or 1.5 time the outer flux coating.

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9
Q

What is the recommended size of a weave bead in SMAW?

A

5-6 times the bare electrode

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10
Q

What are the five functions of flux?

A

Alloying elements, Fluxing elements and deoxidizers, establishing electrical characteristics, producing a protective gas shield, providing a solid slag coating.

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11
Q

What percentage of SMAW electrodes become deposited weld metal?

A

60-70%

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12
Q

What does Duty cycle mean?

A

How long a welding machine can weld at max output in a 10 minute period

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13
Q

A machine with a duty cycle of 20% would be able to weld at its max output for how long in a 10 minute period?

A

20% duty cycle at max output would weld for 2 minutes in a 10 minute period

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14
Q

What causes the arc to wander in SMAW?

A

Electric magnetic fields cause the arc to wander

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15
Q

Which type of electricity is more susceptible to Arc Blow?

A

Direct Current

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16
Q

What is present in a 6011 that isn’t present in a 6010?

A

Arc stabilizers to stabilize the Alternating Current arc

17
Q

DCEN (Direct Current Electrode Negative)is also known as what?

A

Straight Polarity

18
Q

DCEP (Direct Current Electrode positive)is also known as what?

A

Reverse Polarity

19
Q

Reverse polarity has the ground plugged into which terminal on the welder?

A

Negative Terminal

20
Q

Straight polarity has the ground plugged into which terminal on the welder?

A

Positive Terminal

21
Q

where does the added strength come from when looking at a 6010 V.S a 7010?

A

From the flux covering

22
Q

Which polarity attains the most amount of penetration?

A

Direct Current Electrode Positive or Reverse Polarity.

23
Q

Which polarity attains the least amount of penetration?

A

Direct Current Electrode Negative or Straight Polarity.

24
Q

What is the recommended duty cycle for a manual welder?

25
Q

What is the recommended duty cycle for an automatic welder?

SMAW (1 decks)

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