Exam 9: Related Cutting Processes

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When using water jet cutting, ____________________ is not a problem when cutting composite or laminated materials such as carbon fibers, resins, or computer circuit boards.

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delamination

Compare nonreactive gases and exothermic gases.

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Nonreactive gases do not add any heat to the cutting process; they simply remove the molten material by blowing it out of the kerf.Exothermic gases react with the material being cut, like an oxyfuel cutting torch.The additional heat produced as the exothermic cutting gas reacts with the metal being cut helps blow the molten material out of the kerf.

The power of most lasers is ____ other welding processes.

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C

The power density of a cutting laser can be equal to ____ watts per square inch.

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A laser is a form of light that is ____________________.

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The early lasers all used ____ as the material that produced the laser light.

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The carbon arc cutting process was developed in the ____.

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Most laser welding and cutting operations use a ____ laser.

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Which of the following is a difference between an electrode holder and an air carbon arc torch?

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​What is the term for the process of removing a large area of metal from a surface?

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Most laser drilling operations use a ____ laser.

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Most lasers range from ____ watts in power.

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The absorption rate will ____ for any material once the laser beam begins to heat the surface.

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Which of the following is true of water jet cutting?

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____ gases do not add any heat to the cutting process.

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Laser equipment is ____ most other welding or cutting power supplies.

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The light from a laser travels in ____ waves.

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Explain how laser light is produced.

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A(n) ____________________ laser is the best choice for drilling operations.

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Explain how a pulsed laser is used to drill holes.

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