Q. In which welding process is a filler material fed into the weld pool?
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A.
TIG welding
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B.
MIG welding
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C.
Oxy-fuel welding
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D.
Spot welding
Solution
MIG welding (Metal Inert Gas) involves feeding a continuous filler wire into the weld pool.
Correct Answer:
B
— MIG welding
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Q. What is the main advantage of using laser welding?
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A.
High speed and precision
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B.
Low cost
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C.
Ease of use
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D.
No need for shielding gas
Solution
Laser welding offers high speed and precision, making it suitable for intricate welds.
Correct Answer:
A
— High speed and precision
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Q. What is the primary purpose of welding in manufacturing?
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A.
To join materials together
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B.
To cut materials
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C.
To shape materials
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D.
To coat materials
Solution
Welding is primarily used to join materials, typically metals, by melting them together.
Correct Answer:
A
— To join materials together
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Q. What is the primary shielding gas used in MIG welding?
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A.
Argon
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B.
Carbon dioxide
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C.
Helium
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D.
Nitrogen
Solution
Carbon dioxide is the primary shielding gas used in MIG welding, often mixed with argon.
Correct Answer:
B
— Carbon dioxide
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Q. What type of welding is typically used for joining thin sheets of metal?
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A.
MIG welding
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B.
TIG welding
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C.
Spot welding
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D.
Submerged arc welding
Solution
Spot welding is commonly used for joining thin sheets of metal, especially in automotive manufacturing.
Correct Answer:
C
— Spot welding
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Q. Which of the following is a disadvantage of arc welding?
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A.
Requires high skill level
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B.
Low heat input
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C.
No need for protective gear
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D.
Can be used in all positions
Solution
Arc welding requires a high skill level to ensure proper technique and quality of the weld.
Correct Answer:
A
— Requires high skill level
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Q. Which welding process is known for its ability to weld dissimilar metals?
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A.
TIG welding
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B.
MIG welding
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C.
Oxy-fuel welding
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D.
Electron beam welding
Solution
Electron beam welding is known for its ability to weld dissimilar metals due to its focused energy beam.
Correct Answer:
D
— Electron beam welding
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Q. Which welding technique is best suited for high-volume production?
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A.
TIG welding
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B.
MIG welding
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C.
Oxy-fuel welding
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D.
Arc welding
Solution
MIG welding is best suited for high-volume production due to its speed and efficiency.
Correct Answer:
B
— MIG welding
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Q. Which welding technique uses a non-consumable electrode?
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A.
MIG welding
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B.
TIG welding
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C.
Stick welding
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D.
Flux-cored welding
Solution
TIG welding (Tungsten Inert Gas) uses a non-consumable tungsten electrode to produce the weld.
Correct Answer:
B
— TIG welding
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