Free CWI Fundamentals Tech Questions and Answers

Question 1

Which of the following metals cannot be cut using OFC in an efficient manner?

Accepted Answer

stainless steel

Answer

low-carbon steel

Answer

high-carbon steel

Answer

cast iron

Answer

tempered steel

Question 2

Which NDE method's fundamental requirement is a part's electrical conductivity?

Accepted Answer

ET

Answer

UT

Answer

RT

Answer

PT

Answer

VT

Question 3

Carbon steel has a melting point that is roughly:

Accepted Answer

2780° F

Answer

3333° F

Answer

2250° F

Answer

2375° F

Answer

3005° F

Question 4

Which NDE approach is the term "decibel" related with?

Accepted Answer

UT

Answer

ET

Answer

RT

Answer

MT

Answer

PT

Question 5

Which GMA W metal transfer mode has the lowest penetration rate?

Accepted Answer

short circuiting

Answer

globular

Answer

pulsed spray

Answer

spray

Answer

globular spray

Question 6

Which gas or gases from the list below are frequently employed as a shielding gas for GTA W?

Accepted Answer

argon

Answer

Tri-mix

Answer

carbon dioxide

Answer

oxygen

Answer

argon/carbon dioxide

Question 7

The welding inspector should do the following once the rejected weld has been rectified, reinspected, and determined to be acceptable:

Accepted Answer

fill out a second inspection report

Answer

mark directly on the part

Answer

change the original inspection report to indicate the part's acceptance

Answer

tell the foreman to have the part moved o its next operation

Answer

no further action is required

Question 8

How are the alloy's atoms integrated into the native metal lattice structure when a metal is alloyed?

Accepted Answer

substitutionally or interstitially

Answer

by casting

Answer

by inclusion or exclusion

Answer

by diffusion

Answer

be becoming martensitic

Question 9

Which NDE approach uses a wire IQI?

Accepted Answer

RT

Answer

PT

Answer

UT

Answer

ET

Answer

MT

Question 10

Which of the following is not frequently employed as a semiautomatic procedure in general?

Accepted Answer

SMAW

Answer

MIG

Answer

GMAW

Answer

FCAW

Answer

SAW