CWI ALL CERTIFICATION SCRIPT 2026
QUESTIONS WITH SOLUTIONS
GRADED A+
◍ Which of the following metals cannot be efficiently cut with OFC?
A. High-carbon steel
B. Low-carbon steel
C. Stainless steel
D. Cast iron
E. C and D above.
Answer: E. C and D aboveStainless steel and Cast iron
◍ There is a weld that was bent outside the bend radius of the shoe and no
fracture on the bend. what should be done when this is noted?.
Answer: Cut another specimen from the original specimen and bend it.
◍ All structural steel fillet welds that has a "W" (width) of 1" or greater shall
have no convexitity greater than __________?.
Answer: 3/16"
◍ How should the weld reinforcement and backing be prepared prior to
mechanical bending?.
Answer: It shall be removed flush with the surface of the specimen.
◍ The melting point of carbon steel is approximately:
A. 2250F
B. 2375F
C. 2780F
D. 3005F
E. 3333F.
Answer: C. 2780F
,◍ which of the following conditions shall cause inadequate penetration (IP) to
be considered a defect?.
Answer: The length of an individual indication of IP exceeds 1 inch.
◍ A welder was qualified in the 3G position, is he qualified to make a weld in
the overhead position?.
Answer: No, he is only qualified for the vertical, horizontal, and flat
positions
◍ Which of the following gas(es) is commonly used as a shielding has for
GTAW?
A. Argon
B. Carbon dioxide
C. Oxygen
D. Argon/carbon dioxide
E. Tri-mix.
Answer: A. Argon
◍ Cracked welds shall be cut out unless the repair is authorized by the
company. when a crack repair is authorized for pipeline:.
Answer: A double repair of a crack is not permitted
◍ During tempering, as the temperature increases, which of the following are
correct?
A. Hardness increases
B. Hardness decreases
C. Elongation decreases
D. Strength increases
E. Ductility decreases.
Answer: B. Hardness decreases
◍ In GMAW, the distance from the end of the contact tube to the arc is:
A. Arc length
B. Electrode extension
C. Stickout
, D. Standoff
E. Work angle.
Answer: B. Electrode extension
◍ The technique which does not aid in reducing residual stress is:
A. Peening
B. Vibratory stress relief
C. Thermal stress relief
D. External restraint
E. Preheating.
Answer: D. External restraint
◍ what is the abbreviation for inside diameter?.
Answer: ID
◍ Which of the following is truly a volumetric test method?
A. RT
B. UT
C. VT
D. MT
E. PT.
Answer: B. UT
◍ Use of preheat will result in:
A. A faster cooling rate and wider heat-affected zone
B. A faster cooling rate and narrower heat-affected zone
C. A slower cooling rate and wider heat-affected zone
D. A slower cooling rate and narrower heat-affected zone
E. None of the above.
Answer: C. A slower cooling rate and wider heat-affected zone
◍ What is the abbreviation for leak testing?.
Answer: LT
◍ If a procedure qualification record is qualified on a plate test in the 3G
position, does it qualify a welding procedure specification in all positions?.
, Answer: Yes, being as position is not listed as a procedure qualification
variable on table 8.
◍ In GMAW, the welding variable controlled by the wire feed speed is:
A. Arc length
B. Voltage
C. Current
D. Stickout
E. Travel speed.
Answer: C. Current
◍ Arc burns on the parent metal shall not exceed ________ in length?.
Answer: never accepted, regardless of their length
◍ As the temperature of the base metal is decreased:
A. Impact strength decreases
B. Tensile strength increases
C. Ductility decreases
D. Hardness increases
E. All of the above.
Answer: E. All of the above
◍ An E7018 SMAW electrode exhibits which of the following characteristics?
A. Low hydrogen; use on AC only; iron powder
B. Low hydrogen; use on AC and DCEN
C. Low hydrogen; AC and DCEP; iron powder
D. Rutile; DCEP
E. Rutile; DCEP; iron powder.
Answer: C. Low hydrogen; AC and DCEP; iron powde
◍ Piezoelectricity is a material property used by which NDE method?
A. UT
B. ET
C. RT
D. MT
E. PT.
QUESTIONS WITH SOLUTIONS
GRADED A+
◍ Which of the following metals cannot be efficiently cut with OFC?
A. High-carbon steel
B. Low-carbon steel
C. Stainless steel
D. Cast iron
E. C and D above.
Answer: E. C and D aboveStainless steel and Cast iron
◍ There is a weld that was bent outside the bend radius of the shoe and no
fracture on the bend. what should be done when this is noted?.
Answer: Cut another specimen from the original specimen and bend it.
◍ All structural steel fillet welds that has a "W" (width) of 1" or greater shall
have no convexitity greater than __________?.
Answer: 3/16"
◍ How should the weld reinforcement and backing be prepared prior to
mechanical bending?.
Answer: It shall be removed flush with the surface of the specimen.
◍ The melting point of carbon steel is approximately:
A. 2250F
B. 2375F
C. 2780F
D. 3005F
E. 3333F.
Answer: C. 2780F
,◍ which of the following conditions shall cause inadequate penetration (IP) to
be considered a defect?.
Answer: The length of an individual indication of IP exceeds 1 inch.
◍ A welder was qualified in the 3G position, is he qualified to make a weld in
the overhead position?.
Answer: No, he is only qualified for the vertical, horizontal, and flat
positions
◍ Which of the following gas(es) is commonly used as a shielding has for
GTAW?
A. Argon
B. Carbon dioxide
C. Oxygen
D. Argon/carbon dioxide
E. Tri-mix.
Answer: A. Argon
◍ Cracked welds shall be cut out unless the repair is authorized by the
company. when a crack repair is authorized for pipeline:.
Answer: A double repair of a crack is not permitted
◍ During tempering, as the temperature increases, which of the following are
correct?
A. Hardness increases
B. Hardness decreases
C. Elongation decreases
D. Strength increases
E. Ductility decreases.
Answer: B. Hardness decreases
◍ In GMAW, the distance from the end of the contact tube to the arc is:
A. Arc length
B. Electrode extension
C. Stickout
, D. Standoff
E. Work angle.
Answer: B. Electrode extension
◍ The technique which does not aid in reducing residual stress is:
A. Peening
B. Vibratory stress relief
C. Thermal stress relief
D. External restraint
E. Preheating.
Answer: D. External restraint
◍ what is the abbreviation for inside diameter?.
Answer: ID
◍ Which of the following is truly a volumetric test method?
A. RT
B. UT
C. VT
D. MT
E. PT.
Answer: B. UT
◍ Use of preheat will result in:
A. A faster cooling rate and wider heat-affected zone
B. A faster cooling rate and narrower heat-affected zone
C. A slower cooling rate and wider heat-affected zone
D. A slower cooling rate and narrower heat-affected zone
E. None of the above.
Answer: C. A slower cooling rate and wider heat-affected zone
◍ What is the abbreviation for leak testing?.
Answer: LT
◍ If a procedure qualification record is qualified on a plate test in the 3G
position, does it qualify a welding procedure specification in all positions?.
, Answer: Yes, being as position is not listed as a procedure qualification
variable on table 8.
◍ In GMAW, the welding variable controlled by the wire feed speed is:
A. Arc length
B. Voltage
C. Current
D. Stickout
E. Travel speed.
Answer: C. Current
◍ Arc burns on the parent metal shall not exceed ________ in length?.
Answer: never accepted, regardless of their length
◍ As the temperature of the base metal is decreased:
A. Impact strength decreases
B. Tensile strength increases
C. Ductility decreases
D. Hardness increases
E. All of the above.
Answer: E. All of the above
◍ An E7018 SMAW electrode exhibits which of the following characteristics?
A. Low hydrogen; use on AC only; iron powder
B. Low hydrogen; use on AC and DCEN
C. Low hydrogen; AC and DCEP; iron powder
D. Rutile; DCEP
E. Rutile; DCEP; iron powder.
Answer: C. Low hydrogen; AC and DCEP; iron powde
◍ Piezoelectricity is a material property used by which NDE method?
A. UT
B. ET
C. RT
D. MT
E. PT.
