steel
2)Cast iron
Electrical conductivity of part is the primary requirement for which NDE method? - AN-
SWER ET
The melting point of carbon steel is approximately: - ANSWER 2780°F
Decibel is a term associated with which NDE method? - ANSWER UT
Which GMAW metal transfer mode results in the least amount of penetration? - ANSWER
Short Circuiting
Which of the following gas(es) is commonly used as a shielding gas for GTAW? - ANSWER
Argon
NDE technicians are certified in accordance with: - ANSWER ASNT SNT-TC-1A
When a metal is alloyed, how are the atoms of the alloy incorporated into the original metal
lattice structure? - ANSWER Substitutionally or interstitially
A wire IQI is used in which NDE method? - ANSWER RT
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,In general, which of the following is not commonly used as a semiautomatic process? - AN-
SWER SMAW
Items to be monitored by VT after welding include: - ANSWER 1)Extent of welding
2)Final weld appearance
3)Dimensional accuracy
4)Amount of distortion
Crater cracks are most often the result of: - ANSWER Improper Technique
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? - AN-
SWER Hardness decreases
In GMAW, the distance from the end of the contact tube to the arc is: - ANSWER Elec-
trode extension
Of the following, which is a type of metal transfer in GMAW? - ANSWER 1)Spary
2)Short circuiting
3)Globular
4)Pulsed arc
Ultraviolet light may be used with which NDE methods? - ANSWER MT and PT
The technique with does not aid in reducing residual stress is: - ANSWER External re-
straint
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, 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 perpendicu-
lar to the reference line is always drawn on which side of the weld symbol? - ANSWER On
the left
The portion of the grooves face within the joint root is called: - ANSWER Root face
NDE technicians are usually qualified in accordance with the requirements of: - ANSWER
ASME Section IX
Which of the factors listed below has the least amount of effect on the residual stress and
distortion that results stress and distortion that results from welding? - ANSWER Coeffi-
cient of thermal expansion
Capillary action plays a role in which NDE method? - ANSWER PT
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? - AN-
SWER Oxygen-2%, Argon-98%
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