Exam 30: Other Welding Processes

____________________ welding is a process for joining similar and dissimilar metals by introducing high-frequency vibrations into the overlapping metals in the area to be joined.

In ____________________ welding, a plasma jet is produced by forcing gas to flow along an arc restricted electromagnetically as it passes through a nozzle.

In ____________________ welding, fusion is produced over the ends of stock by heat produced from the resistance to the flow of electric current between the two surfaces.

More than ____ lb/hr can be deposited using large-diameter SAW wires.

The basic flux classification is prefixed with the letter ____.

____ is(are) used for surfacing applications in SAW.

Both kVa and watts are ____ measurements.

Laser beams have a heat input of ____ joules.

Temperatures up to ____ F are generated by electron beam welding machines.

Resistance welding machines contain a(n) ____ to regulate the time of the weld cycle.

Combining LBW and GMAW results in which significant enhancement?

In resistance welding, ____ is applied to ensure a continuous electrical circuit and to forge the heated parts together.

If the letter K is used in electrode classification, it refers to ____.

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

In hardfacing, deposited layers may be as thin as ____ in.

What shielding gas or gases work(s) well with electrogas welding?

In the flux classification system, the letter P indicates the ____.

Laser welds are ____.

What benefit is provided by surfacing as performed with a combination of laser beam and GMAW?

In EGW, the molten weld pool is protected from the atmosphere by ____ or by a flux core in the filler electrode.