CWI Practice Part A Questions and Answers
100% Solved
Which of the following may not be detected with VT? Correct Answ_Lamellar tear
Heat treatment conditions can be determined using which of the following? Correct
Answ_ET
Which of the following elements are commonly used as alloying elements with tungsten to
produce GTAW electrodes Correct Answ_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? Correct Answ_on
the left
The portion of the groove fave within the joint root is called Correct Answ_root face
NDE technicians are usually qualified in accordance with the requirements of Correct
Answ_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? Correct Answ_welding position
capillary action plays a role in which NDE method Correct Answ_MT
Which of the following tests would be least effective for judging the soundness of a weld in the
as-welded condition? Correct Answ_straight beam UT
Arc blow cannot be caused by Correct Answ_Welding with AC
Which of the following shielding gases is used for GMAW spray transfer on steel? Correct
Answ_oxygen-2%, argon-98%
Which discontinuity below will provide the sharpest MT indication? Correct Answ_surface
crack
IN SMAW, an increase in arc length results in? Correct Answ_Decreased current; increased
voltage
,Weld inspection reports should always: Correct Answ_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? Correct Answ_fatigue strength
IN GMAW, the type of metal transfer requiring a special power source is: Correct
Answ_pulsed arc
Which of the following is truly a volumetric test method? Correct Answ_UT
Use of preheat will result in: Correct Answ_A slower cooling rate and wider heat-affected
zone
Which of the following methods is most likely to use a transducer to scan for flaws? Correct
Answ_UT
, For plain carbon steel, how are hardness and tensile strength related? Correct Answ_increase
hardness; increase tensile strength
In gmaw, the welding variable controlled by the wire feed speed is: Correct Answ_current
The welding variables used to calculate heat input are: Correct Answ_voltage, current, and
travel speed
As the temperature of the base metal is decreased Correct Answ_impact strength decreases,
tensile strength increases, ductility decreases, and hardness increases
During RT, which of the following provides the best protection from radiation for a given
thickness? Correct Answ_lead shielding
A weld inspection plan should be developed Correct Answ_Before welding begins
If the weld symbol straddles the reference line, it means: Correct Answ_weld has no side
significance
100% Solved
Which of the following may not be detected with VT? Correct Answ_Lamellar tear
Heat treatment conditions can be determined using which of the following? Correct
Answ_ET
Which of the following elements are commonly used as alloying elements with tungsten to
produce GTAW electrodes Correct Answ_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? Correct Answ_on
the left
The portion of the groove fave within the joint root is called Correct Answ_root face
NDE technicians are usually qualified in accordance with the requirements of Correct
Answ_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? Correct Answ_welding position
capillary action plays a role in which NDE method Correct Answ_MT
Which of the following tests would be least effective for judging the soundness of a weld in the
as-welded condition? Correct Answ_straight beam UT
Arc blow cannot be caused by Correct Answ_Welding with AC
Which of the following shielding gases is used for GMAW spray transfer on steel? Correct
Answ_oxygen-2%, argon-98%
Which discontinuity below will provide the sharpest MT indication? Correct Answ_surface
crack
IN SMAW, an increase in arc length results in? Correct Answ_Decreased current; increased
voltage
,Weld inspection reports should always: Correct Answ_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? Correct Answ_fatigue strength
IN GMAW, the type of metal transfer requiring a special power source is: Correct
Answ_pulsed arc
Which of the following is truly a volumetric test method? Correct Answ_UT
Use of preheat will result in: Correct Answ_A slower cooling rate and wider heat-affected
zone
Which of the following methods is most likely to use a transducer to scan for flaws? Correct
Answ_UT
, For plain carbon steel, how are hardness and tensile strength related? Correct Answ_increase
hardness; increase tensile strength
In gmaw, the welding variable controlled by the wire feed speed is: Correct Answ_current
The welding variables used to calculate heat input are: Correct Answ_voltage, current, and
travel speed
As the temperature of the base metal is decreased Correct Answ_impact strength decreases,
tensile strength increases, ductility decreases, and hardness increases
During RT, which of the following provides the best protection from radiation for a given
thickness? Correct Answ_lead shielding
A weld inspection plan should be developed Correct Answ_Before welding begins
If the weld symbol straddles the reference line, it means: Correct Answ_weld has no side
significance
