CWI AWS D1.1 PART C FINAL PAPER 2026 FULL
SOLUTION QUESTIONS AND ANSWERS 100%
CORRECT
◉ The tail of a welding symbol should not be used for
Answer: denoting groove angle
◉ During tempering, as the temperature increases, which of the
following are correct?
Answer: hardness decreases
◉ In GMAW, the distance from the end of the contact tube to the arc
is
Answer: electrode extension
◉ Of the following, which is not a type of metal transfer in GMAW
Answer: Open Circuiting
◉ Ultraviolet light may be used with which NDE methods?
Answer: MT and PT
◉ The technique which does not aid in reducing residual stress is
,Answer: external restraint
◉ Which of the following may not be detected with VT?
Answer: Lamellar tear
◉ Heat treatment conditions can be determined using which of the
following?
Answer: ET
◉ Which of the following elements are commonly used as alloying
elements with tungsten to produce GTAW electrodes
Answer: thorium
◉ For single bevel-groove weld symbols, the line of the AWS weld
symbol running perpendicular to the reference line is always drawn
on which side of the weld symbol?
Answer: on the left
◉ The portion of the groove fave within the joint root is called
Answer: root face
◉ NDE technicians are usually qualified in accordance with the
requirements of
,Answer: ASNT SNT-TC-1A
◉ Which of the factors listed below has the least amount of effect on
the residual stress and distortion that results from welding?
Answer: welding position
◉ capillary action plays a role in which NDE method
Answer: MT
◉ Which of the following tests would be least effective for judging
the soundness of a weld in the as-welded condition?
Answer: straight beam UT
◉ Arc blow cannot be caused by
Answer: Welding with AC
◉ Which of the following shielding gases is used for GMAW spray
transfer on steel?
Answer: oxygen-2%, argon-98%
◉ Which discontinuity below will provide the sharpest MT
indication?
Answer: surface crack
, ◉ IN SMAW, an increase in arc length results in?
Answer: Decreased current; increased voltage
◉ Weld inspection reports should always:
Answer: Be completed in ink, or typewritten and signed
◉ The ability to be cyclically loaded with failing is related to which
of the following properties of a metal?
Answer: fatigue strength
◉ IN GMAW, the type of metal transfer requiring a special power
source is:
Answer: pulsed arc
◉ Which of the following is truly a volumetric test method?
Answer: UT
◉ Use of preheat will result in:
Answer: A slower cooling rate and wider heat-affected zone
SOLUTION QUESTIONS AND ANSWERS 100%
CORRECT
◉ The tail of a welding symbol should not be used for
Answer: denoting groove angle
◉ During tempering, as the temperature increases, which of the
following are correct?
Answer: hardness decreases
◉ In GMAW, the distance from the end of the contact tube to the arc
is
Answer: electrode extension
◉ Of the following, which is not a type of metal transfer in GMAW
Answer: Open Circuiting
◉ Ultraviolet light may be used with which NDE methods?
Answer: MT and PT
◉ The technique which does not aid in reducing residual stress is
,Answer: external restraint
◉ Which of the following may not be detected with VT?
Answer: Lamellar tear
◉ Heat treatment conditions can be determined using which of the
following?
Answer: ET
◉ Which of the following elements are commonly used as alloying
elements with tungsten to produce GTAW electrodes
Answer: thorium
◉ For single bevel-groove weld symbols, the line of the AWS weld
symbol running perpendicular to the reference line is always drawn
on which side of the weld symbol?
Answer: on the left
◉ The portion of the groove fave within the joint root is called
Answer: root face
◉ NDE technicians are usually qualified in accordance with the
requirements of
,Answer: ASNT SNT-TC-1A
◉ Which of the factors listed below has the least amount of effect on
the residual stress and distortion that results from welding?
Answer: welding position
◉ capillary action plays a role in which NDE method
Answer: MT
◉ Which of the following tests would be least effective for judging
the soundness of a weld in the as-welded condition?
Answer: straight beam UT
◉ Arc blow cannot be caused by
Answer: Welding with AC
◉ Which of the following shielding gases is used for GMAW spray
transfer on steel?
Answer: oxygen-2%, argon-98%
◉ Which discontinuity below will provide the sharpest MT
indication?
Answer: surface crack
, ◉ IN SMAW, an increase in arc length results in?
Answer: Decreased current; increased voltage
◉ Weld inspection reports should always:
Answer: Be completed in ink, or typewritten and signed
◉ The ability to be cyclically loaded with failing is related to which
of the following properties of a metal?
Answer: fatigue strength
◉ IN GMAW, the type of metal transfer requiring a special power
source is:
Answer: pulsed arc
◉ Which of the following is truly a volumetric test method?
Answer: UT
◉ Use of preheat will result in:
Answer: A slower cooling rate and wider heat-affected zone
