Welding and Fabrication MCQs
1. Which type of welding is commonly used in the automotive industry?
A) Shielded Metal Arc Welding (SMAW)B) Gas Tungsten Arc Welding (GTAW)
C) Gas Metal Arc Welding (GMAW)
D) Flux Cored Arc Welding (FCAW)
Answer: C) Gas Metal Arc Welding (GMAW)
2. What is the primary purpose of a welding electrode?
A) To provide filler metalB) To generate heat
C) To protect the weld from contaminants
D) To stabilize the arc
Answer: A) To provide filler metal
3. In which welding process is a non-consumable electrode used?
A) SMAWB) GTAW
C) GMAW
D) FCAW
Answer: B) GTAW
4. What does MIG stand for in MIG welding?
A) Metal Inert GasB) Metal Inside Gas
C) Metal Integrated Gas
D) Metal Inverted Gas
Answer: A) Metal Inert Gas
5. Which welding process uses a flux to create a slag covering?
A) MIGB) TIG
C) SMAW
D) Laser Welding
Answer: C) SMAW
6. What does TIG stand for in welding?
A) Tungsten Inert GasB) Titanium Inert Gas
C) Thermal Inert Gas
D) Torch Inert Gas
Answer: A) Tungsten Inert Gas
7. What is the purpose of a shielding gas in welding?
A) To provide heatB) To protect the weld pool from atmospheric contamination
C) To cool the weld
D) To add filler metal
Answer: B) To protect the weld pool from atmospheric contamination
8. Which of the following is a common defect in welding?
A) Smooth surfaceB) Porosity
C) Perfect joint
D) Proper penetration
Answer: B) Porosity
9. What is the main advantage of TIG welding?
A) High deposition rateB) Good weld quality
C) Fast welding speed
D) Low skill requirement
Answer: B) Good weld quality
10. In welding, what does the term 'fusion' refer to?
A) The process of applying pressureB) The melting together of base metals
C) The formation of a slag
D) The use of a filler material
Answer: B) The melting together of base metals
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