12662917
Descrição
Quiz por Kelan Baptiste, atualizado more than 1 year ago
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Criado por Kelan Baptiste
quase 7 anos atrás
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Questão 1
Questão
1) which of the following is a function of the flux coating of a smaw electrode
Responda
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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
Questão 2
Questão
2) In the AWS system of smaw electrode designations the next to the last digit refers to
Responda
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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
Questão 3
Questão
3) which of the following is an incorrect statement about a smaw electrode designation as E 7024
Responda
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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
Questão 4
Questão
4. Of the following which is not an essential part of a typical smaw system
Responda
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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
Questão 5
Questão
5. Which of the following welding problem is the result of a distorted magnetic field that deflects the welding Arc
Responda
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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
Questão 6
Questão
6) which of the following is not considered a type of metal transfer for gmaw
Responda
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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
Questão 7
Questão
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
Responda
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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
Questão 8
Questão
8) which of the following gases can be used as a shielding gases for gmaw
Responda
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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
Questão 9
Responda
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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
Questão 10
Questão
10) which of the following is not considered an arc welding process
Responda
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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
Questão 11
Questão
11) in the electrode designations system for fcaw the second digit (1) in an electrode Marked (E 71T -5 ) refers to
Responda
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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
Questão 12
Questão
12) which of the following is not always an essential element of an fcaw system
Responda
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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
Questão 13
Questão
13) what aspect of the gtaw and the Paw processes makes them different from the other arc welding processes
Responda
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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
Questão 14
Questão
14) shielding for the gtaw and the Paw processes is primarily accomplished through the use of
Responda
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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
Questão 15
Questão
15) a green stripe on a tungsten electrode designates
Responda
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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
Questão 16
Questão
16) when welding aluminium with the gtaw process what type of welding current is most commonly used
Responda
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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
Questão 17
Questão
17) Saw and esw processes are similar in that
Responda
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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
Questão 18
Questão
18) the diagram depicts What welding process
Responda
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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
Questão 19
Questão
19) solidification cracking due to improper width to depth ratio of the weld bead is a serious problem primarily with which welding process
Responda
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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
Questão 20
Questão
20) which one of the following processes is typically used in the flat position unless special apparatus is employed
Responda
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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
Questão 21
Questão
21) which of the following are not common to both gtaw and p a w
Responda
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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
Questão 22
Questão
22) what technique is employed with Paw to produce full penetration weld without Edge preparation
Responda
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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
Questão 23
Questão
23) What welding process produces weld in a single pass with the progression uphill along the joint
Responda
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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
Questão 24
Questão
24. Which of the following is not an advantage of the esw process
Responda
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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
Questão 25
Questão
25. Which welding process is considered to be a chemical welding process
Responda
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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
Questão 26
Questão
26. Which arc welding process provides a very efficient means of joining attachments to some planar surfaces
Responda
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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
Questão 27
Questão
27. Brazing differs from welding in that
Responda
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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
Questão 28
Questão
28. For satisfactory results a braze joint should have
Responda
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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
Questão 29
Questão
29. Which of the following is an advantage of brazing
Responda
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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
Questão 30
Questão
30. Of the following Metals which cannot be efficiently cut using ofc
Responda
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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
Questão 31
Questão
31. Which of the following gases can be used to perform ofc
Responda
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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
Questão 32
Questão
32. Which of the following cutting processes can cut any metal
Responda
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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
Questão 33
Questão
33. The width of a cut is referred to as the
Responda
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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
Questão 34
Questão
34. The smaw power source can be
Responda
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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
Questão 35
Questão
35. Of the following which is a non-contact welding process requires no electrodes and is not influenced by the presence of magnetic fields
Responda
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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
Questão 36
Questão
36. Which of the following uses a focused beam of electrons as a heat source for Fusion welding
Responda
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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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