Welding

Question 1

The electro classifation ER70S-6 the s stands for short circuit transfer T/F

Answer 1

False

Question 2

What type of electrode wire is used for gas metal arc welding/GMAW?

Answer 2

Solid

Question 3

A minimum of 80 percent argon is required to receive spray transfer? T/F

Answer 3

True

Question 4

GMAW the amp is controlled by adjusting?

Answer 4

The wire feed speed

Question 5

Which of the following is not
recommended when welding with short circuit Transfer?

Answer 5

Heavy plate

Question 6

In GMAW the electrode extension is defined distance from?

Answer 6

Contact tub - tip of wire

Question 7

GMAW which type of metal transfer is restricted flat position and horizontal fillet welds only?

Answer 7

Spray transfer

Question 8

A warm contact tub causes what?

Answer 8

Poor arc starts

Question 9

The benefits of adding copper coded wire?

Answer 9

All the above

Question 10

Power source for GMAW?

Answer 10

Constant voltage

Question 11

A constant voltage power supply is common used in GMAW? T/F

Answer 11

True

Question 12

What position n type of welds can be successfully welded on spray transfer carbon steel?

Answer 12

1f, 1g, 2f

Question 13

What does a 70 mean in ER7OS-6?

Answer 13

Tensil strength

Question 14

In GMAW the shielding molten metal is arnec n reactive gas? T/F

Answer 14

False

Question 15

What part of the gun transfers the current?

Answer 15

Contact current

Question 16

The transfer mode that used low amps low small diameter wire current to welds in all position?

Answer 16

Short circuit

Question 17

The contact tub should be ?

Answer 17

Size the match

Question 18

Which of the following is considered an advantage in the Gmaw process?

Answer 18

All the above

Question 19

Which has below is anerc?

Answer 19

Argon

Question 20

Wof is not an advantage of the GMAW process?

Answer 20

Not use in windy areas

Question 21

Which shielding gas or mixture is most often used for welding carbon steel short circuit transfer?

Answer 21

75 percent argon 25 percent carbon dioxide

Question 22

Which gas mixture or shielding gas will not produce spray transfer?

Answer 22

100 percent co2

Question 23

The rate at which the arc moves along the weld joint? T/F

Answer 23

False

Question 24

GMAW is what?

Answer 24

Gas metal arc welding

Question 25

Which was electrode classification for the wire ER7OS-3

Answer 25

Solid

Question 26

Excessive amounts of spatter will cause?

Answer 26

Poor shielding