QUESTIONS WITH COMPLETE ANSWERS
GRADED A+
⩥ Electrical conductivity of a part is the primary requirement for which
NDE method? Answer: ET
⩥ The melting point of carbon steel is approximately? Answer: 2780
⩥ 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 is used in which NDE method? Answer: RT
⩥ In general, which of the following is not commonly used as a
semiautomatic process? Answer: SMAW
⩥ Items to be monitored by VT after welding include Answer: Extent of
welding, final weld appearance, dimensional accuracy, 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? 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