AWS CWI Questions and Answers (Module 9)

The Below Seventy-three (73) Questions are model of 2018 version

Module 9: Welding Processes

Q9-1 Of the following, which is not a necessary requirement for a welding process?
a. source of energy
b. electricity
c. means of shielding molten metal
d. base material
e. none of the above

Q9-2 Which of the following are functions of the flux coating of a SMAW electrode?
a. insulating
b. alloying
c. deoxidation
d. shielding
e. all of the above

Q9-3 In the AWS system of SMAW electrode designations, the next to the last number refers to:
a. usability
b. electrode coating
c. position
d. strength
e. none of the above

Q9-4 Which of the following is an incorrect statement about a SMAW electrode designated as an E7024?
a. It is a low hydrogen type
b. The weld deposit has a minimum tensile strength of 70,000 psi.
c. It is suitable for use in the flat and horizontal fillet positions only.
d. all of the above
e. none of the above

Q9-5 Which of the following is not an essential part of a typical SMAW system?
a. constant current power supply
b. wire feeder
c. covered electrode
d. electrode lead
e. work lead

Q9-6 Shielding of the molten metal in GMAW is accomplished through the use of:
a. granular flux
b. slag
c. fuel gas and oxygen
d. a and b above
e. inert and reactive gases

Q9-7 Which of the following is not considered a type of metal transfer for GMAW?
a. short circuiting
b. spray
c. globular
d. droplet
e. pulsed arc

Q9-8 Which of the following types of metal transfer in GMAW is considered to be the lowest energy, and therefore prone to incomplete fusion?
a. short circuiting
b. spray
c. globular
d. droplet
e. pulsed arc

Q9-9 What type of welding process is pictured below?

welding-processes.png
a. SMAW
b. GMAW
c. FCAW
d. SAW
e. ESW

Q9-10 Which of the following is not considered an arc welding process?
a. SMAW
b. GMAW
c. FCAW
d. ESW
e. none of the above

Q9-11 In the electrode designation system for FCAW, the second number refers to:
a. strength
b. position
c. chemical composition
d. usability
e. none of the above

Q9-12 Which of the following is not always an essential element of a FCAW system?
a. constant voltage power supply
b. tubular electrode
c. wire feeder
d. shielding gas .
e. work (ground) lead

Q9-13 What aspect of the GTAW and PAW processes is different from the other arc welding processes?
a. nonconsumable electrode
b. power supply
c. shielding
d. all of the above
e. none of the above

Q9-14 Shielding for the GTAW and PAW processes is accomplished through the use of:
a. granular flux
b. slag
c. inert gas
d. reactive gas
e. none of the above

Q9-15 A green stripe on a tungsten electrode designates:
a. pure tungsten
b. 1 % thoriated tungsten
c. 2% thoriated tungsten
d. zirconated tungsten
e. none of the above

Q9-16 When welding aluminum with the GTAW process, what type of welding current is most commonly used?
a. DCEP
b. DCEN
c. AC
d. a and b above
e. b and c above

Q9-17 SAW and ESW are similar in that:
a. both are arc welding processes
b. both use shielding gases
c. both use a granular flux
d. a and b above
e. a and c above

Q9-18 The diagram below depicts what welding process?

welding processes 2.png
a. SMAW
b. ESW
c. FCAW
d. SAW
e. PAW

Q9-19 Solidification cracking due to improper width-to-depth ratio of the weld nugget may be a problem with which welding process?
a. OFW
b. SW
c. SAW
d. all of the above
e. none of the above

Q9-20 A welding process done essentially in the flat position with welding progressing from the bottom to top of the weld joint positioned vertically identifies:
a. GMAW
b. SAW
c. ESW
d. a and b above
e. b and c above

Q9-21 Which of the following are not common to both GTAW and PAW?
a. nonconsumable tungsten electrode
b. copper constricting nozzle
c. shielding gas nozzle
d. externally-applied filler metal
e. none of the above

Q9-22 What technique is employed with PAW to produce full penetration welds?
a. stringer beads
b. weave beads
c. keyhole `
d. backstep
e. none of the above

Q9-23 What welding process produces welds in the flat position, in a single pass, with the progression vertically upward along the joint?
a. SAW
b. ESW
c. FCAW
d. a and b above
e. b and c above

Q9-24 Which of the following is not an advantage of the ESW process?
a. high deposition rate
b. ease of setup
c. capable of joining thick sections
d. no tendency for angular distortion
e. none of the above

Q9-25 Which welding process is considered to be a chemical welding process?
a. SMAW
b. ESW
c. SAW
d. OAW
e. none of the above

Q9-26 Which arc welding process provides an efficient means of joining attachments to some planar surface?
a. OAW.
b. SW
c. GMAW
d. GTAW
e. SMAW

Q9-27 Brazing differs from welding in that:
a. no filler metal is used.
b. an oxyfuel flame is used.
c. the base metal is not melted.
d. all of the above
e. none of the above

Q9-28 For satisfactory results, a braze joint should have:
a. a large surface area.
b. a small gap between pieces to be joined.
c. a precise bevel.
d, a and b above
e. b and c above

Q9-29 Which of the following is not an advantage of brazing?
a. ease of joining thick sections
b. ability to join dissimilar metals
c. ability to join thin sections
d. a and b above
e. b and c above

Q9-30 Of the following met s, which cannot be effectively cut using OFC? a. high carbon steel
b. low carbon steel
c. medium carbon steel
d. stainless steel
e. none of the above

Q9-31 Which of the following gases can be used to perform OFC?
a. MAPP
b. propane
c. acetylene
d. natural
e. all of the above

Q9-32 Which of the following cutting processes can be used to cut any metal?
a. OFC
b. CAC-A
c. PAC
d. a and b above
e. band c above .

Q9-33 The width of a cut is technically referred to as the:
a. gap
b. dross
c. kerf
d. drag
e. none of the above

Q9-34 Which process is illustrated below?

welding processes 3.png
a. GMAW
b. PAW
c. GTAW
d. BMAW
e. CAW

Q9-35 ESW designates which process?
a. electric slag arc welding
b. electroslag arc welding
c. electric slag welding
d. electroslag welding
e. electric stud welding

Q9-36 Which process is illustrated below?

welding-processes-4.jpg
a. GMAW
b. PAW
c. GTAW
d. TIG
e. CAW

Q9-37 Which process is illustrated below?

welding-processes-5.png
a. GMAW
b. PAW
c. GTAW
d. TIG
e. CAW

Q9-38 Which process is illustrated below?

welding-processes-6.gif
a. GMAW
b. SAW
c. GTAW
d. SW
e. SMAW

Q9-39 SMAW designates which process?
a. stick metal arc welding
b. shielded metal arc welding
c. submerged arc welding
d. seam metal arc welding
e. short circuiting metal arc welding

Q9-40 SW designates which process?
a. stud welding
b. stud arc welding
c. submerged welding
d. stick welding
e. submerged arc welding

Q9-41 SAW designates which process?
a. stud welding
b. stud arc welding
c. submerged welding
d. stick welding
e. submerged arc welding

Q9-42 FCAW designates which process?
a. flux cored arc welding
b. flux centered arc welding
c. furnace controlled arc welding
d. friction arc welding
e. flow arc welding

Q9-43 GMAW designates which process?
a. gas machine arc welding
b. gas method arc welding
c. gas material arc welding
d. gas metal arc welding
e. general material arc welding

Q9-44 GTAW designates which process?
a. gas tungsten arc welding
b. general tungsten arc welding
c. globular transfer arc welding
d. gas torch arc welding
e. none of the above

Q9-45 PAW designates which process?
a. plasma arc welding
b. pressure arc welding `
c. plate arc welding
d. percussion arc welding
e. none of the above

Q9-46 Which of the following could result in the creation of porosity in the GTAW of 6061-T6 aluminum structural members for an aircraft application? a. insufficient cleaning of the weld joint
b. contaminated. filler metal
c. leak in the shielding gas hose
d. presence of drafts during the welding operation
e. all of the above

Q9-47 An ER70S-6 electrode can be used with which of the processes?
a. GTAW
b. GMAW
c. PAW
d. all of the above
e. none of the above

Q9-48 A granular flux is a characteristic of which of the following?
a. ESW
b. SAW
c. SMAW
d. both a and b W
c. both b and c

Q9-49 Which of the classifications listed below produces the strongest weld metal?
a. ER70S-6
b. E70T-5
c. E7018
d. F7A2-EM12K
e. no difference

Q9-50 Which process is classified as a chemical welding method?
a. GTAW
b. GMAW
c. ESW
d. PAW
e. OAW

Q9-51 Which cutting methods use electricity?
a. PAC
b. CAC-A
c. OAC
d. a and b above
e. b and c above

Q9-52 A tubular electrode is a significant characteristic of which process? a. SAW
b. ESW
c. FCAW
d. SMAW
e. GMAW

Q9-53 Which arc welding process is used very effectively for the welding of various types of attachments to surfaces of plates and structural members?
a. SMA /W
b. GMAW
c. FCAW
d. SW
e. ESW

Q9-54 Molding shoes is a term associated with which process?
a. SAW
b. GTAW
c. ESW
d. FCAW
e. GMAW

Q9-55 Short circuiting metal transfer is a mode of operation for:
a. GTAW
b. FCAW
c. SMAW
d. none of the above
e. all of the above

Q9-56 The need for electrode holding ovens for some types of its filler metal is a disadvantage of which process below?
a. SMAW
b. FCAW
c. SAW
d. all of the above
e. a and b

Q9-57 Which process uses a carbon electrode?
a. SMAW
b. GMAW
c. GTAW
d. CAC-A
e. PAC

Q9-58 EWTh-1 is an electrode designation for which of those processes listed below?
a. GTAW
b. PAW
c. GMAW
d. a and b above
e. b and c above

Q9-59 Of the following which brazing process is preferred when the parts to be brazed can be assembled with the filler metal preplaced near or in the joint?
a. torch
b. induction
c. furnace
d. diffusion
e. none of the above

Q9-60 F7P6-EM 12 is a filler metal designation for:
a. SMAW
b. GMAW
c. FCAW
d. SAW
e. PAW

Q9-61 The ability to perform keyhole welding is a primary advantage of:
a. GTAW
b. PAW
c. SMAW
d. FCAW
e. SAW

Q9-62 Which gases can be used for OFW?
a. MAPP
b. acetylene
c. natural gas
d. propane
e. all of the above

Q9-63 Which gases below can be used for TB?
a. acetylene
b. oxygen
c. natural gas
d. propane
e. all of the above

Q9-64 A ferrule is an item used for shielding in which process below?
a. ESW
b. PAW
c. PAC
d. SW
e. FB

Q9-65 When GTAW is used, what type of current results in the greatest amount of penetration?
a. dcen
b. dcep
c. ac
d. hwac
e. no difference

Q9-66 A constricting nozzle is one of the components for which welding process?
a. PAW
b. GTAW
c. SAW
d. GMAW
e. SW

Q9-67 What gases can be used for GMAW?
a. carbon dioxide
b. argon
c. 75% argon-25% carbon dioxide
d. 98% argon-2% oxygen
e. all of the above

Q9-68 The process which can be used either with or without an external shielding gas is:
a. GMAW
b. SMAW
c. FCAW
d. GTAW
e. PAW.

Q9-69 Which of the welding processes below is generally considered to provide the
highest deposition rate?
a. SAW
b. ESW
c. FCAW
d. SMAW.
e. GMAW

Q9-70 When welding carbon steel with the OAW process, the torch should be adjusted to provide:
a. an oxidizing flame
b. a carburizing flame
c. a neutral flame
d. a heating flame
e. none of the above

Q9-71 Of the following which of the processes make use of water-injected torches to minimize the effect of irregular kerf?
a. PAC
b. CAC-A
c. GTAW
d. a and b above
e. b and c above

Q9-72 The use of a constricting orifice, is the distinguishing feature of which of the following?
a. GTAW
b. GMAW
c. FCAW
d. PAW
e. none of the above

Q9-73 Which of the following processes utilize a flux to provide necessary shielding?
a. SMAW
b. SAW
c. GMAW
d. a and b above
e. all of the above

Key 1-30:

becabedaddbdacacccccbcbbdbcded

Key 30-73:

eecbdccebaeadaaeddeedcdcacddcdbbedaaecbcadd

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