Michigan Welding Technology Exam Questions with Correct Answers

Michigan Welding Technology Exam question
with correct answers
(100% verified answers) plus rationales Q &A
2026 INSTANT DOWNLOAD PDF

1. What is the primary purpose of welding?
A. Cutting metals
B. Joining metals permanently
C. Painting metals
D. Measuring metals
Answer: B
Rationale: Welding is mainly used to permanently join two or more metal pieces.


2. Which process uses an electric arc to melt metals?
A. Brazing
B. Arc welding
C. Soldering
D. Riveting
Answer: B
Rationale: Arc welding uses an electric arc to generate heat for melting metals.


3. Which gas is commonly used in MIG welding?
A. Oxygen
B. Nitrogen
C. Argon

,D. Chlorine
Answer: C
Rationale: Argon is an inert shielding gas used in MIG welding.


4. What does MIG stand for?
A. Metal In Gas
B. Metal Inert Gas
C. Magnetic Iron Gas
D. Metal Internal Gas
Answer: B
Rationale: MIG stands for Metal Inert Gas welding.


5. What does TIG welding use as an electrode?
A. Consumable electrode
B. Carbon electrode
C. Non-consumable tungsten electrode
D. Copper electrode
Answer: C
Rationale: TIG welding uses a non-consumable tungsten electrode.


6. Which PPE is MOST important for welding safety?
A. Gloves
B. Welding helmet
C. Safety boots
D. Apron
Answer: B
Rationale: A welding helmet protects the eyes and face from arc rays.

, 7. What is slag in welding?
A. Gas layer
B. Metal fumes
C. Waste residue from flux
D. Welding wire
Answer: C
Rationale: Slag is the non-metallic residue formed during welding.


8. Which welding position is easiest?
A. Overhead
B. Vertical
C. Flat
D. Horizontal
Answer: C
Rationale: Flat position allows easiest control of molten metal.


9. What is the function of flux?
A. Strengthen metal
B. Prevent oxidation
C. Cool weld
D. Cut metal
Answer: B
Rationale: Flux prevents oxidation during welding.


10. What is welding current measured in?
A. Volts
B. Watts
C. Amperes