CWB WELDING INSPECTOR LEVEL 2
EXAM NEWEST 2024-2025 ACTUAL EXAM
COMPLETE 200 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND
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CWB WELDING INSPECTOR LEVEL 2
What alloys can be welded with small amounts of hydrogen gas,
despite its propensity to cause hydrogen embrittlement in other
alloys - CORRECT ANSWER-austenitic stainless steels
What gas profile is typically used to weld heavy thicknesses of
aluminum, magnesium, and copper due to its effect of increased
arc voltage - CORRECT ANSWER-50 to 75 percent helium
What are three advantages GMAW has compared to SMAW -
CORRECT ANSWER-Higher deposition, wide alloy range,
higher productivity
What is the main limitation of GMAW - CORRECT ANSWER-
sensitivity to changes in welding parameters
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ISO 14341 B-G 49A3C1S2
What does the 'B' Designate in this welding wire designation? -
CORRECT ANSWER-the system is based on tensile strength
ISO 14341 B-G 49A3C1S2
What does the 'G' Designate in this welding wire designation? -
CORRECT ANSWER-this wire is used for GMAW
ISO 14341 B-G 49A3C1S2
What does the '49' Designate in this welding wire designation? -
CORRECT ANSWER-49MPa is the minimum weld tensile
strength
ISO 14341 B-G 49A3C1S2
What does the 'A' Designate in this welding wire designation? -
CORRECT ANSWER-it was tested in "as welded" condition
,3|Page
ISO 14341 B-G 49A3C1S2
What does the '3' Designate in this welding wire designation? -
CORRECT ANSWER-the impact test temperature was -30c
ISO 14341 B-G 49A3C1S2
What does the 'C1' Designate in this welding wire designation? -
CORRECT ANSWER-the shielding gas was CO2
ISO 14341 B-G 49A3C1S2
What does the 'S2' Designate in this welding wire designation? -
CORRECT ANSWER-the chemical composition of the
electrode wire
What is a common flaw in root face areas and along groove
faces during short circuit transfer? - CORRECT ANSWER-
Incomplete fusion
Ho would an increase in arc voltage influence arc characteristics
in GMAW - CORRECT ANSWER-increased arc length
, 4|Page
Compared to GMAW what is the main disadvantage of GMAW
- CORRECT ANSWER-Fume generation
What gas mixes does metal core welding almost exclusively
use? - CORRECT ANSWER-Argon, C02
What thickness of plate is pre-approved to be groove welded
without edge preparation with both metal core and flux core
welding? - CORRECT ANSWER-13mm
the following are events that occur in what welding proess?
- Some force is applied before the welding current is switched
on
- Typically no melting pccurs
- Only parts with interfaces equal in cross sectional area can be
joined
- Higher quality clean joints are required for adequate resistance
heating - CORRECT ANSWER-Upset welding
Why are EBW joints required to be extremely precise and
partnered with well calibrated beam alignment? - CORRECT
ANSWER-The nail head penetration profile can miss the joint
seam
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