Wrong move
Direct answer
The risky shortcut is heating by feel or skipping preheat because the joint looks clean. Preheat can reduce cooling rate, hydrogen cracking risk, and thermal stress when required by procedure, material, thickness, or code.
How to use this answer
Read the answer once, then prove it by choosing an answer in a practice question before looking at the explanation. If the miss repeats, tag the domain as Procedure control and drill a smaller set before returning to mixed practice.
Prep path
CWI Study Guide
Independent CWI study guide for welding symbols, inspection fundamentals, discontinuities, NDE, and code application.
SamplesCWI Sample Questions
Public CWI Practice Test sample questions with explanations.
PracticeOpen CWI Practice Test
Start with the 15-question free set before deciding whether to unlock the paid bank.