CWI Fundamentals Tech 2

Question 1

Which welding position is designated as 'overhead' per AWS terminology?

Accepted Answer

4G

Answer

1G

Answer

2G

Answer

3G

Question 2

What is the primary purpose of a preheat in welding?

Accepted Answer

Reduce hydrogen cracking risk

Answer

Increase travel speed

Answer

Improve arc stability

Answer

Decrease filler metal consumption

Question 3

A welder qualification test using a 1-inch plate in the 3G position qualifies the welder for which plate thicknesses?

Accepted Answer

3/16 in. to 2 in.

Answer

3/16 in. to 1 in. only

Answer

1/8 in. to unlimited

Answer

1 in. to unlimited

Question 4

What type of current is typically used with SMAW electrodes classified as EXX10?

Accepted Answer

DCEP (reverse polarity)

Answer

DCEN (straight polarity)

Answer

AC only

Answer

Either AC or DCEP

Question 5

When measuring arc voltage, where should the measurement be taken?

Accepted Answer

As close to the arc as possible

Answer

At the power source terminals

Answer

At the ground clamp

Answer

At the electrode holder

Question 6

Which discontinuity is most likely to result from excessive travel speed in GMAW?

Accepted Answer

Incomplete fusion

Answer

Porosity

Answer

Undercut

Answer

Overlap

Question 7

What does the 'F' number system classify in AWS welding procedures?

Accepted Answer

Filler metal groupings for welder qualification

Answer

Flux classifications

Answer

Ferrite content of stainless welds

Answer

Flow rate of shielding gas