ThatQuiz Bibliothèque de tests Faire ce test maintenant
12-11-25 Welding Midterm Review 2025
Contribué par: Sandifer
  • 1. What is the base metal?
A) The flux coating
B) The metal to be welded
C) The weld bead
D) The shielding gas makes sparks
  • 2. What is an arc?
A) Light from welding
B) Flow of electricity through a gaseous space or air gap
C) A type of electrode
D) A joint type that lets light fly around everywhere
  • 3. What is arc length?
A) Length of the weld
B) The distance from the electrode to the weld pool
C) The distance from the gap between plates and the clamp wire
D) Length of the rod
  • 4. What is undercut?
A) Extra filler metal
B) A surface crack
C) A grove melted into the base metal that is a misaligned joint
D) A groove melted into base metal left unfilled
  • 5. What is a crater?
A) A melted rod tip in the face of the weld
B) A buildup of slag in the face of the weld
C) A depression in the face of the weld
D) A porosity pocket in the face of the weld
  • 6. What is the axis of weld?
A) Imaginary line through top of the bead
B) Imaginary line through HAZ boundary
C) Imaginary line through weld toe
D) Imaginary line through center of weld metal
  • 7. What is spatter?
A) Arc blow expelled that do not form part of the weld
B) Gas bubbles expelled that do not form part of the weld
C) Falling flux expelled that do not form part of the weld
D) Metal particles expelled that do not form part of the weld
  • 8. What is slag inclusion?
A) Non-metallic material trapped in weld
B) Undercut failure
C) Hot cracks trapped in the weld pool at the end
D) Steel trapped in slag
  • 9. What is a joint?
A) filler metal
B) a welding defect
C) Location where two or more members are joined
D) The end of the metal piece that is welded first.
  • 10. What is a crater crack?
A) A crack in the crater of a weld bead
B) A cold shut
C) A stress fracture formed cause metal was too clean
D) A centerline crack
  • 11. What is ductility
A) Ability to remain cold.
B) Ability to resist rust
C) Ability to deform without failure
D) Ability to stay magnetized
  • 12. What is duty cycle?
A) Machine lifespan over a 10 min period
B) Percentage of time welders operate at rated output
C) Arc stability rating
D) Electrode burn rate is working nonstop
  • 13. What is filler metal?
A) Metal base plate
B) Distance fusion extends into base metal
C) Metal added to make a welded joint
D) Flux coating
  • 14. What is depth of fusion?
A) Rod penetration
B) Distance fusion extends into base metal
C) Distance bead width extends
D) Weld height
  • 15. What is penetration?
A) Arc reach
B) Extent weld metal combines with base metal
C) Bead surface depth
D) Slag depth
  • 16. What is deposition rate?
A) Weight of metal deposited per unit time
B) Heat generated
C) Amount of slag produced
D) Length welded per hour
  • 17. What does SMAW stand for?
A) Stick Metal Arc Work
B) Shielded Metal Arc Welding
C) Shielded Mechanical Arc Welding
D) Solid Metal Arc Welding
  • 18. What is SMAW?
A) Uses tungsten electrode
B) Uses heat of an arc between covered electrode and the work
C) Purely mechanical process
D) Uses shielding gas
  • 19. Advantage of SMAW?
A) No slag
B) High speed
C) Portable and inexpensive
D) Fully automated
  • 20. Disadvantage of SMAW?
A) It’s slow
B) Requires gas bottles
C) Only works indoors
D) Cannot weld steel
  • 21. 7018 can use:
A) AC or DC
B) AC only
C) DC only
D) Neither
  • 22. What polarity do we weld with?
A) No polarity
B) Straight polarity
C) Alternating ground
D) Reverse polarity
  • 23. Reverse polarity:
A) Electrode negative
B) No polarity exists
C) Electrode is positive, ground negative
D) Ground floats
  • 24. Two safety points:
A) Always weld outside use sitka gloves
B) Use small rods and low heat
C) Avoid using gloves never safety glasses
D) Proper ventilation and protective clothing
  • 25. SMAW electrode:
A) MIG wire
B) Consumable electrode covered with flux
C) Carbon rod
D) TIG tungsten
  • 26. Strength of 7018 rod:
A) 18k psi
B) 70k psi
C) 120k psi
D) 40k psi
  • 27. Meaning of 3rd digit in 7018:
A) Rod length
B) Welding position
C) Coating type
D) Positive polarity rod
  • 28. Meaning of 4th digit in 7018:
A) Strength
B) Composition of rod
C) Diameter
D) Arc length
  • 29. Four rod groups:
A) Inert, reactive, passive, active
B) High carbon, low carbon, stainless, alloy
C) Celluosic, Rutile, Basic/low Hydrogen, Iron Powder
D) Soft rods, hard rods, hot rods, cold rods
  • 30. DCEP:
A) Direct Coil Energy Pulse
B) Direct Current Elevated Pressure
C) Direct Current Electrode Positive
D) Dual Current Electrode Phase
  • 31. Why put rods in oven?
A) Reduce moisture
B) Prevent Bending
C) heat for penetration
D) sterilize
  • 32. Minimum oven temperature?
A) 250°F
B) 175°F
C) 100°F
D) 500°F
  • 33. E stands for:
A) Earth
B) Electrode
C) Edge
D) Energy
  • 34. Rod lengths:
A) 9–18 inches
B) 3–6 inches
C) 1–2 feet
D) 20–30 inches
  • 35. MR or R:
A) Metal rod
B) Moisture resistant
C) Machine ready
D) Medium rated
  • 36. Base metal we use:
A) Stainless steel
B) Cast iron
C) Aluminum
D) A36 mild steel
  • 37. Light produced in welding:
A) Blue spectrum only
B) Green infrared
C) X‑ray emissions
D) Electro violet and ultra red light
  • 38. Five joint types:
A) Lap, butt, edge, corner, T-joint
B) Arc, gas, flux, rod, plate
C) Curve, twist, bend, fold, lock
D) Root, face, toe, leg, web
  • 39. AWS:
A) American Welding Society
B) Advanced Weld Standards
C) Arc Welding System
D) American Wire Service
  • 40. Heat affected zone:
A) Metal melted completely
B) Joint line
C) Slag-covered area
D) Metal altered but not melted
  • 41. PJP:
A) Partial Joint Penetration
B) Parallel Joint Pass
C) Primary Joint Preparation
D) Pressure Joint Process
  • 42. CJP:
A) Central Joint Plane
B) Complete Joint Penetration
C) Controlled Joint Process
D) Cut Joint Position
  • 43. 1F:
A) Flat groove
B) Flat fillet
C) Overhead fillet
D) Vertical fillet
  • 44. 2F
A) Horizontal groove
B) Vertical groove
C) Flat Fillet
D) Horizontal fillet
  • 45. 3F
A) Vertical fillet
B) Flat fillet
C) Horizontal groove
D) Overhead fillet
  • 46. 4F:
A) Vertical fillet
B) Overhead fillet
C) Flat groove
D) Horizontal fillet
  • 47. 1G:
A) Flat groove
B) Vertical groove
C) Flat fillet
D) Overhead groove
  • 48. 2G:
A) Vertical groove
B) Horizontal groove
C) Flat groove
D) Horizontal fillet
  • 49. 3G:
A) Vertical groove
B) Overhead groove
C) Horizontal fillet
D) Flat groove
  • 50. 4G:
A) Horizontal fillet
B) Flat groove
C) Overhead groove
D) Vertical groove
  • 51. Weave:
A) Root buildup
B) Weld bead made with transverse movement
C) Slag brushing
D) Cleaning motion
  • 52. No large amount of ______ should be in the weld
A) Sulphur
B) Mercury
C) Oxygen
D) Hydrogen
Créé avec That Quiz — où un test de math n'est qu'à un clic du bout des doigtsu bout des doigts.