Cwi fundamental practice EXAM 120 QUESTIONS AND
CORRECT ANSWERS 2025 LATEST VERSION//ALREADY
GRADED A
An MT indication of a subsurface discontinuity 1 in below the surface will appear how as compared
to a surface discontinuity?
A. Intermittent
B. Sharper
C. Less distinct
D. MT can not detect a subsurface flaw 1 in below the surface
E. Only the central conductor method can be used to detect flaws in 1 in material - ANSWER-D. MT
can not detect a subsurface flaw 1 in below the surface
Which of the following conditions can cause slag inclusions in a weld?
A. Insufficient groove angle in a SMAW single V-groove welds
B. Careful interpass cleaning of subsequent layer and beads of FCAW
C. Insufficient preheat of test plate
D. Insufficient shielding gas flow GTAW
E. Improper fit up of GMAW test plate - ANSWER-A. Insufficient groove angle in a SMAW single V-
groove welds
What is meant by the term essential variable?
A. Data on a WPS that if changed beyond code limits during production will render a WPS
disqualified
B. Data on an inspection report that if changed render the report disqualified
C. Data on an MTR that is essential to the chemistry of the material.
D. The recommended amperage and voltage for welding as published by the manufacture
E. Describes what should be included in a WPS - ANSWER-A. Data on a WPS that if changed
beyond code limits during production will render a WPS disqualified
Where should the preheat temperature be measured?
A. In the weld groove
,B. 12 in from the weld groove
C. Where the arc will be initiated
D. 2"-3" from point of welding
E. Pre-heat temperature need not be measured - ANSWER-D. 2"-3" from point of welding
A discontinuity is:
A. Always rejectable
B. Never rejectable, but its condition should be noted in the inspection report
C. Always a defect
D. An indication that renders a part unusable
E. An interpretation in the uniformity of the weldment - ANSWER-E. And interpretation in the
uniformity of the weldment
And oxygen regulator is set for 40 psi. Determine the pressure in kPa
Psi x 6.895 = kPa
A. 2758
B. 27580
C. 2.758
D. 27.58
E. 275.8 - ANSWER-E. 275.8
Which of the following discontinuities can cause by poor weld technique?
A. Incomplete fusion
B. Porosity
C. Undercut
D. Overlap
E. All of the above - ANSWER-E. All of the above
Incomplete fusion
Porosity
Undercut
Overlap
, If a welder is continually turning out rejectable work, the welding inspector should:
A. Inspect his work more critically
B. Ask that the welder be terminated
C. Require requalification
D. Instruct the welder in proper techniques
E. Ask that the welder use another process - ANSWER-C. Require requalification
How does a welder become certified?
A. Certification can only be a team by taking a weld test given by CWI
B. By graduating from a welding school
C. By having documented proof of five years in welding industry
D. By documenting successful completion of the weld test according to the requirements of an
applicable standard
E. Certification can only be obtained by taking a weld test at approved test center - ANSWER-D. By
documenting successful completion of the weld test according to the requirements of an applicable
standard
Which discontinuity occur in the heat-affected zone can result from excess moisture in the world
zone?
A. Throat crack
B. Crater crack
C. Underbead crack
D. Porosity
E. Centerline crack - ANSWER-C. Underbead crack
Which of the following measurements are taken from a tensile specimen to determine area?
A. Mass and volume
B. Length and thickness
C. Width and length
D. Width and thickness
E. Load and pressure - ANSWER-D. Width and thickness
CORRECT ANSWERS 2025 LATEST VERSION//ALREADY
GRADED A
An MT indication of a subsurface discontinuity 1 in below the surface will appear how as compared
to a surface discontinuity?
A. Intermittent
B. Sharper
C. Less distinct
D. MT can not detect a subsurface flaw 1 in below the surface
E. Only the central conductor method can be used to detect flaws in 1 in material - ANSWER-D. MT
can not detect a subsurface flaw 1 in below the surface
Which of the following conditions can cause slag inclusions in a weld?
A. Insufficient groove angle in a SMAW single V-groove welds
B. Careful interpass cleaning of subsequent layer and beads of FCAW
C. Insufficient preheat of test plate
D. Insufficient shielding gas flow GTAW
E. Improper fit up of GMAW test plate - ANSWER-A. Insufficient groove angle in a SMAW single V-
groove welds
What is meant by the term essential variable?
A. Data on a WPS that if changed beyond code limits during production will render a WPS
disqualified
B. Data on an inspection report that if changed render the report disqualified
C. Data on an MTR that is essential to the chemistry of the material.
D. The recommended amperage and voltage for welding as published by the manufacture
E. Describes what should be included in a WPS - ANSWER-A. Data on a WPS that if changed
beyond code limits during production will render a WPS disqualified
Where should the preheat temperature be measured?
A. In the weld groove
,B. 12 in from the weld groove
C. Where the arc will be initiated
D. 2"-3" from point of welding
E. Pre-heat temperature need not be measured - ANSWER-D. 2"-3" from point of welding
A discontinuity is:
A. Always rejectable
B. Never rejectable, but its condition should be noted in the inspection report
C. Always a defect
D. An indication that renders a part unusable
E. An interpretation in the uniformity of the weldment - ANSWER-E. And interpretation in the
uniformity of the weldment
And oxygen regulator is set for 40 psi. Determine the pressure in kPa
Psi x 6.895 = kPa
A. 2758
B. 27580
C. 2.758
D. 27.58
E. 275.8 - ANSWER-E. 275.8
Which of the following discontinuities can cause by poor weld technique?
A. Incomplete fusion
B. Porosity
C. Undercut
D. Overlap
E. All of the above - ANSWER-E. All of the above
Incomplete fusion
Porosity
Undercut
Overlap
, If a welder is continually turning out rejectable work, the welding inspector should:
A. Inspect his work more critically
B. Ask that the welder be terminated
C. Require requalification
D. Instruct the welder in proper techniques
E. Ask that the welder use another process - ANSWER-C. Require requalification
How does a welder become certified?
A. Certification can only be a team by taking a weld test given by CWI
B. By graduating from a welding school
C. By having documented proof of five years in welding industry
D. By documenting successful completion of the weld test according to the requirements of an
applicable standard
E. Certification can only be obtained by taking a weld test at approved test center - ANSWER-D. By
documenting successful completion of the weld test according to the requirements of an applicable
standard
Which discontinuity occur in the heat-affected zone can result from excess moisture in the world
zone?
A. Throat crack
B. Crater crack
C. Underbead crack
D. Porosity
E. Centerline crack - ANSWER-C. Underbead crack
Which of the following measurements are taken from a tensile specimen to determine area?
A. Mass and volume
B. Length and thickness
C. Width and length
D. Width and thickness
E. Load and pressure - ANSWER-D. Width and thickness
