W.I.T. Chapter 3: welding and cutting processes

Description

CHAPTER 3
Kelan Baptiste
Quiz by Kelan Baptiste, updated more than 1 year ago
Kelan Baptiste
Created by Kelan Baptiste about 6 years ago
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Resource summary

Question 1

Question
1) which of the following is a function of the flux coating of a smaw electrode
Answer
  • a. Insulating
  • b. Alloying
  • C. Deoxidation
  • d. Shielding
  • e. All of the above

Question 2

Question
2) In the AWS system of smaw electrode designations the next to the last digit refers to
Answer
  • a. Impact strength
  • b. Electronic coating
  • C, Welding position
  • d. Strength
  • e. None of the above

Question 3

Question
3) which of the following is an incorrect statement about a smaw electrode designation as E 7024
Answer
  • a. It is low hydrogen type
  • b. The well deposit has a minimum tensile strength of 70000 PSI
  • C. It is suitable for use in the flat and horizontal fillet positions only
  • d. It is an electrode for welding carbon steel
  • e. None of the above

Question 4

Question
4. Of the following which is not an essential part of a typical smaw system
Answer
  • a. Constant current power supply
  • b. Wire feeder
  • C, Covered electrode
  • d. Electrode lead
  • e. Work lead

Question 5

Question
5. Which of the following welding problem is the result of a distorted magnetic field that deflects the welding Arc
Answer
  • a. Cracks
  • b. Wire feeder
  • c Arc blow
  • d. Insufficient welding current
  • e, all of the above

Question 6

Question
6) which of the following is not considered a type of metal transfer for gmaw
Answer
  • a. Short circuiting
  • b. Spray
  • C. Globular
  • d. Droplet
  • e. Pulsed arc

Question 7

Question
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
Answer
  • a. Short circuiting
  • b. Spray
  • C, globular
  • d. Droplet
  • e. Pulsed arc

Question 8

Question
8) which of the following gases can be used as a shielding gases for gmaw
Answer
  • a. Carbon dioxide
  • b. Argon oxygen
  • C. Argon carbon dioxide
  • d. Argon
  • e, all of the above

Question 9

Question
9) what type of welding process is pictured
Answer
  • a. Smaw
  • b. Gmaw
  • C, fcaw
  • d. Saw
  • e, esw

Question 10

Question
10) which of the following is not considered an arc welding process
Answer
  • a. Smaw
  • b. Gmaw
  • C, fcaw
  • d. Esw
  • e. None of the above

Question 11

Question
11) in the electrode designations system for fcaw the second digit (1) in an electrode Marked (E 71T -5 ) refers to
Answer
  • a. Strength
  • b. Welding position
  • C. Chemical composition
  • d. Usability
  • e. None of the above

Question 12

Question
12) which of the following is not always an essential element of an fcaw system
Answer
  • a. Constant voltage power supply
  • b. Tubular electrode
  • c. Wire feeder
  • d. External shielding gas
  • e. Work lead

Question 13

Question
13) what aspect of the gtaw and the Paw processes makes them different from the other arc welding processes
Answer
  • a. Non-consumable electrode
  • b. Power supply
  • c. Shielding
  • d. All of the above

Question 14

Question
14) shielding for the gtaw and the Paw processes is primarily accomplished through the use of
Answer
  • a. Granular flux
  • b. Slag
  • C. Inert gas
  • d. Oxygen
  • e. None of the above

Question 15

Question
15) a green stripe on a tungsten electrode designates
Answer
  • a. Pure tungsten
  • b. 1% thoriated tungsten
  • c, 2% thoriated tungsten
  • d. Zirconiated tungsten
  • e. None of the above

Question 16

Question
16) when welding aluminium with the gtaw process what type of welding current is most commonly used
Answer
  • a. Dcep
  • b. Dcen
  • C. AC
  • d.A & B above
  • e.A and C above

Question 17

Question
17) Saw and esw processes are similar in that
Answer
  • a. Both are an arc welding process
  • b. Both use shielding gases
  • C. Both use a granular flux which becomes Molten
  • d. A & B above
  • e. A and c above

Question 18

Question
18) the diagram depicts What welding process
Answer
  • a. Smaw
  • b. Esw
  • c. Fcaw
  • d. S AW
  • e.GMAW

Question 19

Question
19) solidification cracking due to improper width to depth ratio of the weld bead is a serious problem primarily with which welding process
Answer
  • a. Smaw
  • b. Ofc
  • c SAW
  • d. All of the above
  • e, None of the above

Question 20

Question
20) which one of the following processes is typically used in the flat position unless special apparatus is employed
Answer
  • a. Gmaw
  • b. S aw
  • c. Fcaw
  • d. Smaw
  • e. Gtaw

Question 21

Question
21) which of the following are not common to both gtaw and p a w
Answer
  • a. Non-consumable tungsten electrode
  • b. Constricting orifice
  • C. Shielding gas nozzle
  • d. Externally applied filler metal
  • e. None of the above

Question 22

Question
22) what technique is employed with Paw to produce full penetration weld without Edge preparation
Answer
  • a. Stringer beads
  • b. Weave beads
  • C, Keyhole
  • d. Backstep
  • e. None of the above

Question 23

Question
23) What welding process produces weld in a single pass with the progression uphill along the joint
Answer
  • a. Saw
  • b. Esw
  • C, fcaw
  • d.A and B above
  • e.B and c above

Question 24

Question
24. Which of the following is not an advantage of the esw process
Answer
  • A. High deposition rate
  • B. Ease of setup
  • C. Capable of joining thick sections
  • D. New tendency of angular distortion
  • E. None of the above

Question 25

Question
25. Which welding process is considered to be a chemical welding process
Answer
  • A. SMAW
  • B. ESW
  • C. SAW
  • D. OAW
  • E. None of the above

Question 26

Question
26. Which arc welding process provides a very efficient means of joining attachments to some planar surfaces
Answer
  • A. OAW
  • B. SW
  • C. GMAW
  • D. GTAW
  • E. SMAW

Question 27

Question
27. Brazing differs from welding in that
Answer
  • A. No filler metal is used
  • B. An oxy fuel flame is used
  • C. The base metal is not melted
  • D. All of the above
  • E. None of the above

Question 28

Question
28. For satisfactory results a braze joint should have
Answer
  • A. Clean joint surfaces
  • B. A small clearance between pieces to be joined
  • C. A large surface area for the joint area
  • D. Heat source
  • E. All of the above

Question 29

Question
29. Which of the following is an advantage of brazing
Answer
  • A. Ease of joining thick sections
  • B. Ability to join dissimilar metals
  • C. Ability to join thin sections
  • D. A and B
  • E. B and C

Question 30

Question
30. Of the following Metals which cannot be efficiently cut using ofc
Answer
  • A. High carbon steel
  • B. Low carbon steel
  • C. Medium carbon steel
  • D. Austenitic stainless steel
  • E. None of the above

Question 31

Question
31. Which of the following gases can be used to perform ofc
Answer
  • A. Methyl acetylene propadiene (MPS)
  • B. Propane
  • C. Acetylene
  • D. Methane (Natural Gas)
  • E. All of the above

Question 32

Question
32. Which of the following cutting processes can cut any metal
Answer
  • A. OFC
  • B. CAC-A
  • C. PAC
  • D. A and B
  • E. B and C

Question 33

Question
33. The width of a cut is referred to as the
Answer
  • A. Gap
  • B. Dross
  • C. Kerf
  • D. Drag
  • E. None of the above

Question 34

Question
34. The smaw power source can be
Answer
  • A. DECN
  • B. AC
  • C. DECP
  • D. All of the above
  • E. A and C

Question 35

Question
35. Of the following which is a non-contact welding process requires no electrodes and is not influenced by the presence of magnetic fields
Answer
  • A. ESW
  • B. PAW
  • C. LBW
  • D. A and B
  • E. None of the above

Question 36

Question
36. Which of the following uses a focused beam of electrons as a heat source for Fusion welding
Answer
  • A. EBW
  • B. ESW
  • C. EGW
  • D. A and C
  • E. None of the above
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