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