12662917
Descripción
Test por Kelan Baptiste, actualizado hace más de 1 año
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Creado por Kelan Baptiste
hace alrededor de 6 años
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Pregunta 1
Pregunta
1) which of the following is a function of the flux coating of a smaw electrode
Respuesta
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a. Insulating
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b. Alloying
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C. Deoxidation
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d. Shielding
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e. All of the above
Pregunta 2
Pregunta
2) In the AWS system of smaw electrode designations the next to the last digit refers to
Respuesta
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a. Impact strength
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b. Electronic coating
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C, Welding position
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d. Strength
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e. None of the above
Pregunta 3
Pregunta
3) which of the following is an incorrect statement about a smaw electrode designation as E 7024
Respuesta
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a. It is low hydrogen type
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b. The well deposit has a minimum tensile strength of 70000 PSI
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C. It is suitable for use in the flat and horizontal fillet positions only
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d. It is an electrode for welding carbon steel
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e. None of the above
Pregunta 4
Pregunta
4. Of the following which is not an essential part of a typical smaw system
Respuesta
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a. Constant current power supply
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b. Wire feeder
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C, Covered electrode
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d. Electrode lead
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e. Work lead
Pregunta 5
Pregunta
5. Which of the following welding problem is the result of a distorted magnetic field that deflects the welding Arc
Respuesta
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a. Cracks
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b. Wire feeder
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c Arc blow
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d. Insufficient welding current
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e, all of the above
Pregunta 6
Pregunta
6) which of the following is not considered a type of metal transfer for gmaw
Respuesta
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a. Short circuiting
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b. Spray
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C. Globular
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d. Droplet
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e. Pulsed arc
Pregunta 7
Pregunta
7) which of the following types of metal transfer in gmaw provides the lowest amount of heat to the work piece and is therefore prone to an incomplete Fusion
Respuesta
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a. Short circuiting
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b. Spray
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C, globular
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d. Droplet
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e. Pulsed arc
Pregunta 8
Pregunta
8) which of the following gases can be used as a shielding gases for gmaw
Respuesta
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a. Carbon dioxide
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b. Argon oxygen
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C. Argon carbon dioxide
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d. Argon
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e, all of the above
Pregunta 9
Respuesta
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a. Smaw
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b. Gmaw
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C, fcaw
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d. Saw
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e, esw
Pregunta 10
Pregunta
10) which of the following is not considered an arc welding process
Respuesta
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a. Smaw
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b. Gmaw
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C, fcaw
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d. Esw
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e. None of the above
Pregunta 11
Pregunta
11) in the electrode designations system for fcaw the second digit (1) in an electrode Marked (E 71T -5 ) refers to
Respuesta
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a. Strength
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b. Welding position
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C. Chemical composition
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d. Usability
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e. None of the above
Pregunta 12
Pregunta
12) which of the following is not always an essential element of an fcaw system
Respuesta
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a. Constant voltage power supply
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b. Tubular electrode
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c. Wire feeder
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d. External shielding gas
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e. Work lead
Pregunta 13
Pregunta
13) what aspect of the gtaw and the Paw processes makes them different from the other arc welding processes
Respuesta
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a. Non-consumable electrode
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b. Power supply
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c. Shielding
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d. All of the above
Pregunta 14
Pregunta
14) shielding for the gtaw and the Paw processes is primarily accomplished through the use of
Respuesta
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a. Granular flux
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b. Slag
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C. Inert gas
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d. Oxygen
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e. None of the above
Pregunta 15
Pregunta
15) a green stripe on a tungsten electrode designates
Respuesta
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a. Pure tungsten
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b. 1% thoriated tungsten
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c, 2% thoriated tungsten
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d. Zirconiated tungsten
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e. None of the above
Pregunta 16
Pregunta
16) when welding aluminium with the gtaw process what type of welding current is most commonly used
Respuesta
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a. Dcep
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b. Dcen
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C. AC
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d.A & B above
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e.A and C above
Pregunta 17
Pregunta
17) Saw and esw processes are similar in that
Respuesta
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a. Both are an arc welding process
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b. Both use shielding gases
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C. Both use a granular flux which becomes Molten
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d. A & B above
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e. A and c above
Pregunta 18
Pregunta
18) the diagram depicts What welding process
Respuesta
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a. Smaw
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b. Esw
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c. Fcaw
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d. S AW
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e.GMAW
Pregunta 19
Pregunta
19) solidification cracking due to improper width to depth ratio of the weld bead is a serious problem primarily with which welding process
Respuesta
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a. Smaw
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b. Ofc
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c SAW
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d. All of the above
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e, None of the above
Pregunta 20
Pregunta
20) which one of the following processes is typically used in the flat position unless special apparatus is employed
Respuesta
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a. Gmaw
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b. S aw
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c. Fcaw
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d. Smaw
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e. Gtaw
Pregunta 21
Pregunta
21) which of the following are not common to both gtaw and p a w
Respuesta
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a. Non-consumable tungsten electrode
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b. Constricting orifice
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C. Shielding gas nozzle
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d. Externally applied filler metal
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e. None of the above
Pregunta 22
Pregunta
22) what technique is employed with Paw to produce full penetration weld without Edge preparation
Respuesta
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a. Stringer beads
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b. Weave beads
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C, Keyhole
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d. Backstep
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e. None of the above
Pregunta 23
Pregunta
23) What welding process produces weld in a single pass with the progression uphill along the joint
Respuesta
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a. Saw
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b. Esw
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C, fcaw
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d.A and B above
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e.B and c above
Pregunta 24
Pregunta
24. Which of the following is not an advantage of the esw process
Respuesta
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A. High deposition rate
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B. Ease of setup
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C. Capable of joining thick sections
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D. New tendency of angular distortion
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E. None of the above
Pregunta 25
Pregunta
25. Which welding process is considered to be a chemical welding process
Respuesta
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A. SMAW
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B. ESW
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C. SAW
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D. OAW
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E. None of the above
Pregunta 26
Pregunta
26. Which arc welding process provides a very efficient means of joining attachments to some planar surfaces
Respuesta
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A. OAW
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B. SW
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C. GMAW
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D. GTAW
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E. SMAW
Pregunta 27
Pregunta
27. Brazing differs from welding in that
Respuesta
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A. No filler metal is used
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B. An oxy fuel flame is used
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C. The base metal is not melted
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D. All of the above
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E. None of the above
Pregunta 28
Pregunta
28. For satisfactory results a braze joint should have
Respuesta
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A. Clean joint surfaces
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B. A small clearance between pieces to be joined
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C. A large surface area for the joint area
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D. Heat source
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E. All of the above
Pregunta 29
Pregunta
29. Which of the following is an advantage of brazing
Respuesta
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A. Ease of joining thick sections
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B. Ability to join dissimilar metals
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C. Ability to join thin sections
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D. A and B
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E. B and C
Pregunta 30
Pregunta
30. Of the following Metals which cannot be efficiently cut using ofc
Respuesta
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A. High carbon steel
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B. Low carbon steel
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C. Medium carbon steel
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D. Austenitic stainless steel
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E. None of the above
Pregunta 31
Pregunta
31. Which of the following gases can be used to perform ofc
Respuesta
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A. Methyl acetylene propadiene (MPS)
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B. Propane
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C. Acetylene
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D. Methane (Natural Gas)
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E. All of the above
Pregunta 32
Pregunta
32. Which of the following cutting processes can cut any metal
Respuesta
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A. OFC
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B. CAC-A
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C. PAC
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D. A and B
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E. B and C
Pregunta 33
Pregunta
33. The width of a cut is referred to as the
Respuesta
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A. Gap
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B. Dross
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C. Kerf
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D. Drag
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E. None of the above
Pregunta 34
Pregunta
34. The smaw power source can be
Respuesta
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A. DECN
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B. AC
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C. DECP
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D. All of the above
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E. A and C
Pregunta 35
Pregunta
35. Of the following which is a non-contact welding process requires no electrodes and is not influenced by the presence of magnetic fields
Respuesta
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A. ESW
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B. PAW
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C. LBW
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D. A and B
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E. None of the above
Pregunta 36
Pregunta
36. Which of the following uses a focused beam of electrons as a heat source for Fusion welding
Respuesta
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A. EBW
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B. ESW
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C. EGW
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D. A and C
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E. None of the above
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