CWB MODULE 10 EXAM REVIEW questions and 100% correct answers 2025

CWB MODULE 10 EXAM REVIEW
WELD FAULTS (DISCONTINUITIES) ARE DIVIDED INTO THREE GENERAL CLASSES. WHAT ARE THEY -
✔✔ correct answer -DIMENSIONAL

-STRUCTURAL (process related)

-DEFECTIVE (weld and base metal)



INSUFFICIENT ROOT OPENING MAY RESULT IN WHICH WELD DISCONTINUITY? - ✔✔ correct answer
INCOMPLETE JOINT PENETRATION



PROPER MATERIAL SELECTION AND USE MAY BE VERIFIED BY - ✔✔ correct answer MILL TEST
CERTIFICATES



OVERLAP OF A FILLET WELD AFFECTS THE ____________________ OF THE JOINT - ✔✔ correct
answer AFFECTS THE STRENGTH OF THE JOINT



THE TERM CONVEXITY NORMALLY REFERS TO THE PROFILE OF A - ✔✔ correct answer FILLET WELD



WHICH OF THE FOLLOWING TYPICALLY CAUSE EXCESSIVE WELD REINFORCEMENT



A) DEPOSITING TOO FEW PASSES

B) IMPROPER WELD PASS SEQUENCING

C) IMPROPER WELDING FLUX

D) WRONG CHOICE OF SHIELDING GAS - ✔✔ correct answer B) IMPROPER WELD PASS SEQUENCING



POROSITY MAY OCCUR



A) OPEN TO THE SURFACE OF THE WELD ONLY

B) IN THE HEAT-AFFECTED ZONE

C) BELOW THE SURFACE OF THE WELD ONLY

D) OPEN TO THE SURFACE AND/OR BELOW THE SURFACE OF THE WELD - ✔✔ correct answer D)
OPEN TO THE SURFACE AND/OR BELOW THE SURFACE OF THE WELD



WHAT CAN OCCUR IF SURFACE CONTAMINANTS SUCH AS OIL, GREASE, PAINT AND OXIDES ARE NOT
REMOVED PRIOR TO WELDING - ✔✔ correct answer POROSITY