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CWI Practice Part A Exam Questions and Answers
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CWI Practice Part A Exam Questions and Answers
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CWI Practice Part AWhich of the following metals cannot be efficiently cut with OFC? - Question and
answersstainless steel and cast iron
Electrical conductivity of a part is the primary requirement for which NDE method? -
Question and answersET
The melting point of carbon steel is approximately? - Question and answers2780
Decibel is a term associated with which NDE method? - Question and answersUT
Which GMAW metal transfer mode results in the least amount of penetration? -
Question and answersshort circuiting
Which of the following gas(es) is commonly used as a shielding gas for GTAW? -
Question and answersargon
NDE technicians are certified in accordance with? - Question and answersASNT SNT-
TC-1A
When a metal is alloyed, how are the atoms of the alloy incorporated into the original
metal lattice structure? - Question and answerssubstitutionally or interstitially
A wire is used in which NDE method? - Question and answersRT
In general, which of the following is not commonly used as a semiautomatic process? -
Question and answersSMAW
Items to be monitored by VT after welding include - Question and answersExtent of
welding, final weld appearance, dimensional accuracy, amount of distortion
Crater cracks are most often the result of - Question and answersimproper technique
The tail of a welding symbol should not be used for - Question and answersdenoting
groove angle
During tempering, as the temperature increases, which of the following are correct? -
Question and answershardness decreases
In GMAW, the distance from the end of the contact tube to the arc is - Question and
answerselectrode extension
, Of the following, which is not a type of metal transfer in GMAW - Question and
answersOpen Circuiting
Ultraviolet light may be used with which NDE methods? - Question and answersMT and
PT
The technique which does not aid in reducing residual stress is - Question and
answersexternal restraint
Which of the following may not be detected with VT? - Question and answersLamellar
tear
Heat treatment conditions can be determined using which of the following? - Question
and answersET
Which of the following elements are commonly used as alloying elements with tungsten
to produce GTAW electrodes - Question and answersthorium
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? -
Question and answerson the left
The portion of the groove fave within the joint root is called - Question and answersroot
face
NDE technicians are usually qualified in accordance with the requirements of - Question
and answersASNT 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? - Question and answerswelding position
capillary action plays a role in which NDE method - Question and answersMT
Which of the following tests would be least effective for judging the soundness of a weld
in the as-welded condition? - Question and answersstraight beam UT
Arc blow cannot be caused by - Question and answersWelding with AC
Which of the following shielding gases is used for GMAW spray transfer on steel? -
Question and answersoxygen-2%, argon-98%
Which discontinuity below will provide the sharpest MT indication? - Question and
answerssurface crack
IN SMAW, an increase in arc length results in? - Question and answersDecreased
current; increased voltage
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