CWI Practice Part A

CWI Practice Part A Which of the following metals cannot be efficiently cut with OFC? - stainless steel and cast iron Electrical conductivity of a part is the primary requirement for which NDE method? - ET The melting point of carbon steel is approximately? - 2780 Decibel is a term associated with which NDE method? - UT Which GMAW metal transfer mode results in the least amount of penetration? - short circuiting Which of the following gas(es) is commonly used as a shielding gas for GTAW? - argon NDE technicians are certified in accordance with? - ASNT SNT-TC-1A When a metal is alloyed, how are the atoms of the alloy incorporated into the original metal lattice structure? - substitutionally or interstitially A wire is used in which NDE method? - RT In general, which of the following is not commonly used as a semiautomatic process? - SMAW Items to be monitored by VT after welding include - Extent of welding, final weld appearance, dimensional accuracy, amount of distortion Crater cracks are most often the result of - improper technique The tail of a welding symbol should not be used for - denoting groove angle During tempering, as the temperature increases, which of the following are correct? - hardness decreases In GMAW, the distance from the end of the contact tube to the arc is - electrode extension Of the following, which is not a type of metal transfer in GMAW - Open Circuiting Ultraviolet light may be used with which NDE methods? - MT and PT The technique which does not aid in reducing residual stress is - external restraint Which of the following may not be detected with VT? - Lamellar tear Heat treatment conditions can be determined using which of the following? - ET Which of the following elements are commonly used as alloying elements with tungsten to produce GTAW electrodes - 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? - on the left The portion of the groove fave within the joint root is called - root face NDE technicians are usually qualified in accordance with the requirements of - 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? - welding position capillary action plays a role in which NDE method - MT Which of the following tests would be least effective for judging the soundness of a weld in the as-welded condition? - straight beam UT Arc blow cannot be caused by - Welding with AC Which of the following shielding gases is used for GMAW spray transfer on steel? - oxygen- 2%, argon-98% Which discontinuity below will provide the sharpest MT indication? - surface crack IN SMAW, an increase in arc length results in? - Decreased