Exam 30: Other Welding Processes

In resistance welding, a ____ is used to convert the high line voltage power to the welding high-amperage current at a low voltage.

Laser welds are ____.

____ are used in the mass production of automobiles, aircraft, railroad cars, home appliances, and similar products where relatively thin sheets are to be welded.

​In the flux classification system, the letter Z indicates ____.

​If the letter K is used, it refers to ____.

​If an electrode is classified as EH12, it has a normal carbon point of ____ percent carbon.

In which of the following general groups are tungsten carbide and chromium electrodes classified?

Summarize the process of thermal spraying.

In ____, the movement of the upper electrode is controlled by a pneumatic or hydraulic cylinder.

Explain how electron beam welding works.

____ welding is a form of friction welding.

​In SAW, the molten weld pool is protected from the surrounding atmosphere by ____.

Explain the process of upset welding, and the difference between upset welding and flash welding.

​With SAW, ESW, and EGW, the total cost of fabrication is ____, and it provides the same or ____ service.

​The classification of flux depends on ____.

____ welding is accomplished by using roller-type electrodes.

Resistance welding machines contain a(n) ____ to hold the workpiece and apply the electrode force.

​Submerged arc welding was introduced in the ____.

​Which of the following is an advantage of electroslag welding?

Explain the resistance projection welding process.