Exam 11: Processing of Polymer Matrix Composites and Rubber

The advantage of using an open mold is which one of the following:

Which of the following products are not typically made by hand lay-up open mold operations (two best answers):

An apparatus that provides control over both temperature and pressure and is used to cure polymer matrix composites is called which one of the following:

The most important rubber product is which one of the following:

Pulforming is similar to pultrusion but is capable of producing a semicircular contour with altered cross sections at one or more locations along the length of the part:

Pultrusion is most similar to which one of the following plastic shaping processes:

Most rubber products can be described as which of the following (three best answers):

A positive open mold with a smooth surface will produce a good finish on which surface of the laminated product in the hand lay-up method:

A polymer matrix composite is a composite material consisting of a polymer embedded with a reinforcing phase such as fibers or powders:

The chemical name of the ingredient recovered from the latex of the rubber tree is which one of the following:

How many minutes are required to cure (vulcanize) a modern passenger car tire:

Which of the following ingredients do not contribute to the vulcanizing process (two correct answers):

The special tooling in filament winding that determines the shape of the filament-wound part is called which one of the following:

Water jet cutting is one of several ways of cutting or trimming uncured or cured FRPs; in the case of cured FRPs, the process is noted for its reduction of dust and noise:

When is the tread pattern imprinted onto the circumference of the tire:

Which one of the following is the most common polymer type in fiber-reinforced polymer composites:

Which one of the following molding processes is the most important in the production of products made of conventional rubber:

Of the three open mold processes for polymer matrix composites described in the text, hand lay-up is the least labor-intensive:

A molding operation that uses sheet-molding compound is a form of which one of the following:

Of the following rubber additives, which one would rank as the single most important: