Exam 32: Oxyacetylene Welding and Brazing, Braze Welding, and Soldering

The ____ method of heating uses a high-frequency electrical current to establish a corresponding current on the surface of the part.

____ relies on capillary action to draw filler metal into the joint, whereas ____ does not need capillary action.

Fluxes are usually required to promote ________________ when BCuP alloys are used on brass, steel, and many other metals.

Summarize the properties of copper-zinc alloys.

Summarize the properties of cadmium-zinc alloys.

The spacing between the parts being joined greatly affects the ____ of the finished part.

Versatility, portability, and speed are all advantages of which brazing process?

Fluxes that are inactive at room temperature ____.

As the joint spacing decreases, ____.

What is the basis of the series of letters after the letter B in the AWS classification system for brazing alloys.

Summarize the advantages and disadvantages of resistance soldering and brazing.

Unlike welding or hardsurfacing, ____________________ has no hard spots that make remachining difficult.

In ____ processing, the entire surface of the part can be covered with the filler metal at the same time that it is being joined.

The ____________________ is the lowest possible melting point of an alloy.

Which of the following is a function of fluxes used in brazing and soldering?

For a solder or braze joint, the ____ depends on the amount of overlapping area of the base parts.

The ____________________ strength of a joint is its ability to withstand a force parallel to the joint.

Which of the following is true of fluxes?

The ____ flame has a very high temperature near the inner cone, but it has little heat in the outer flame, resulting in localized overheating.

____________________ occurs at a temperature above 840 ° F.