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CHAPTER 19/20 WELDING Test Questions
And Answers 100% Pass.
Overheating the weld area results in a charred and discolored weld. - Answer✔True
For best results, triangular-shaped filler rods are used for fillet welds. - Answer✔True
Ventilation is not required for plastic welding. - Answer✔False
When using the hand feed technique for welding plastic, a fanning motion should be used to
distribute uniform heat over both the rod and the edges of the joint. - Answer✔True
When welding plastic, the filler material should match the properties of the plastic being welded.
- Answer✔True
Thermosetting plastics can be softened repeatedly for different manufacturing processes. -
Answer✔False
The types of joints used in plastic welding are the same as those used in metal welding. -
Answer✔True
Different welding tips are required for specific joint applications. - Answer✔True
Nitrogen gas is best used when welding PVC plastics. - Answer✔False
Welds made by the induction process are not as strong as those obtained by other heating
methods. - Answer✔True
Filler materials come in flat, round, and triangular shapes. - Answer✔True
A tacker tip is used with all types of joints to be welded. - Answer✔True
dissimilar metals, plastics, and composites in manufacturing Friction welding is useful for
joining and repair operations. - Answer✔False
Friction welding is sometimes called spin welding. - Answer✔True
When using the material to stretch due to a high-speed welding buildup of excessive heat. -
Answer✔True
Plastics are poor heat conductors and do not readily melt and flow. - Answer✔True
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CHAPTER 19/20 WELDING Test Questions
And Answers 100% Pass.
Overheating the weld area results in a charred and discolored weld. - Answer✔True
For best results, triangular-shaped filler rods are used for fillet welds. - Answer✔True
Ventilation is not required for plastic welding. - Answer✔False
When using the hand feed technique for welding plastic, a fanning motion should be used to
distribute uniform heat over both the rod and the edges of the joint. - Answer✔True
When welding plastic, the filler material should match the properties of the plastic being welded.
- Answer✔True
Thermosetting plastics can be softened repeatedly for different manufacturing processes. -
Answer✔False
The types of joints used in plastic welding are the same as those used in metal welding. -
Answer✔True
Different welding tips are required for specific joint applications. - Answer✔True
Nitrogen gas is best used when welding PVC plastics. - Answer✔False
Welds made by the induction process are not as strong as those obtained by other heating
methods. - Answer✔True
Filler materials come in flat, round, and triangular shapes. - Answer✔True
A tacker tip is used with all types of joints to be welded. - Answer✔True
dissimilar metals, plastics, and composites in manufacturing Friction welding is useful for
joining and repair operations. - Answer✔False
Friction welding is sometimes called spin welding. - Answer✔True
When using the material to stretch due to a high-speed welding buildup of excessive heat. -
Answer✔True
Plastics are poor heat conductors and do not readily melt and flow. - Answer✔True
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