CWI PART A PRACTICE EXAM
QUESTIONS AND ANSWERS
What metals cannot be efficiently cut with OFC ? ANSWERS stainless steel cast
rion
Electrical conductivity of a part is the primary requirement for which NDE method ?
ANSWERS ET
The melting point of carbon steel is approximately : ANSWERS 2780 Degrees F
Decibel is a term associated with which NDE method ? ANSWERS UT
Which GMAW metal transfer mode results in the least amount of penetration ?
ANSWERS Short Circuiting
What gas ( es are commonly used as a shielding gas for GTAW ? ANSWERS
Argon
NDE technicians are certified in accordance with ANSWERS ASME SNT - TC -
1A
When a metal is alloyed how are the atoms of the alloy incorporated into the original
metal lattice structure ? ANSWERS substitutionally or interstitialy
A wire IQI is used in which NDE method ? ANSWERS RT
In general , what is not commonly used as a semiautomatic process ? ANSWERS
SMAW
Items to be monitored by VT after welding are ANSWERS extent of welding final
weld appearance dimensional accuracy amount of distortion
Crater cracks are most often the result of ANSWERS improper technique
The tail of a welding symbol should not be used for ANSWERS denoting groove
angle
During tempering as the temperature increases what happens ? ANSWERS
hardness decreases
, In GMAW the distance from the end of the contact tube to the arc is ANSWERS
electrode extension
What are the types of metal transfer in GMAW ANSWERS Spray
short circuiting
globular
pulsed arc
Ultraviolet light may be used with which NDE methods ? ANSWERS MT and PT
peening vibratory stress relief The techniques aid in reducing residual stress are :
ANSWERS peening
vibratory stress relief
thermal stress relief
preheating
What is not detected with VT ? ANSWERS Lamelar tear
Heat treatment conditions can be determined using what ? ANSWERS ET
What elements are commonly used as alloying elements with tungsten to produce
STAW electrodes ? ANSWERS 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
ANSWERS on the left
The performance of what test methods is least affected by high part temperatures ?
ANSWERS ET
Base metal thickness can be determined using what ANSWERS UT AND ET
The mating surface between two overlapping base metals to be joined is called
ANSWERS faying surface
A developer is used as one of the steps in which NDE method ? ANSWERS PT
ET is the abbreviation for what NDE method ? ANSWERS eddy current testing
To be most effective , visual inspection must be conducted ANSWERS before
welding , during welding and after welding
The portion of the groove face within the joint root is called ANSWERS root face
NDE technicians are usually qualified in accordance with the requirements of :
ANSWERS ASNT SNT - TC - 1A
QUESTIONS AND ANSWERS
What metals cannot be efficiently cut with OFC ? ANSWERS stainless steel cast
rion
Electrical conductivity of a part is the primary requirement for which NDE method ?
ANSWERS ET
The melting point of carbon steel is approximately : ANSWERS 2780 Degrees F
Decibel is a term associated with which NDE method ? ANSWERS UT
Which GMAW metal transfer mode results in the least amount of penetration ?
ANSWERS Short Circuiting
What gas ( es are commonly used as a shielding gas for GTAW ? ANSWERS
Argon
NDE technicians are certified in accordance with ANSWERS ASME SNT - TC -
1A
When a metal is alloyed how are the atoms of the alloy incorporated into the original
metal lattice structure ? ANSWERS substitutionally or interstitialy
A wire IQI is used in which NDE method ? ANSWERS RT
In general , what is not commonly used as a semiautomatic process ? ANSWERS
SMAW
Items to be monitored by VT after welding are ANSWERS extent of welding final
weld appearance dimensional accuracy amount of distortion
Crater cracks are most often the result of ANSWERS improper technique
The tail of a welding symbol should not be used for ANSWERS denoting groove
angle
During tempering as the temperature increases what happens ? ANSWERS
hardness decreases
, In GMAW the distance from the end of the contact tube to the arc is ANSWERS
electrode extension
What are the types of metal transfer in GMAW ANSWERS Spray
short circuiting
globular
pulsed arc
Ultraviolet light may be used with which NDE methods ? ANSWERS MT and PT
peening vibratory stress relief The techniques aid in reducing residual stress are :
ANSWERS peening
vibratory stress relief
thermal stress relief
preheating
What is not detected with VT ? ANSWERS Lamelar tear
Heat treatment conditions can be determined using what ? ANSWERS ET
What elements are commonly used as alloying elements with tungsten to produce
STAW electrodes ? ANSWERS 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
ANSWERS on the left
The performance of what test methods is least affected by high part temperatures ?
ANSWERS ET
Base metal thickness can be determined using what ANSWERS UT AND ET
The mating surface between two overlapping base metals to be joined is called
ANSWERS faying surface
A developer is used as one of the steps in which NDE method ? ANSWERS PT
ET is the abbreviation for what NDE method ? ANSWERS eddy current testing
To be most effective , visual inspection must be conducted ANSWERS before
welding , during welding and after welding
The portion of the groove face within the joint root is called ANSWERS root face
NDE technicians are usually qualified in accordance with the requirements of :
ANSWERS ASNT SNT - TC - 1A
