Manufacturing Quiz 1

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Hole diameter

An inside caliper would be appropriate for measuring which of the following

True

Glass is a vitreous (non-crystalline) ceramic structure (T or F)

Alumina

Glass products are based primarily on which one of the following minerals?

True

If stress values were measured during a tensile test, true stress would be higher than engineering stress

True

Most hardness tests involve pressing a hardened steel ball into the surface of a test specimen and measuring the deformation (or its effect) that results

Aluminum, copper, magnesium

Nonferrous metals include which of the following

Thermoplastics

Of the three polymer types, which is the most important commercially?

Casting

Solidification processes include which of the following?

Secondary

The manufacturing industries are considered part of which of the industry classifications?

False

The reinforcing phase of a composite is the matrix which the secondary phase is embedded (T or F)

Tolerance

Total permissible variation from a specified dimension

Fibers, particles, and flakes

What are the common forms of the reinforcing phase in composite materials?

the maximum load divided by the original area of the specimen

What is the correct definition of tensile strength, as derived from a tensile test on a metal specimen?

Perfectly elastic

What type of stress strain relationship best describes the behavior of ceramics and thermosetting plastics?

Ceramic

Which engineering materials are defined as a compound containing metallic and nonmetallic elements?

Magnesium

Which metals has the lowest density

Chromium

Which of the alloying elements is most commonly associated with stainless steel?

Carbon

Which of the following elements is most important alloying ingredient in steel?

Grinding

Which of the manufacturing processes will likely result in the best surface finish?

High strength & High stiffness

Which properties or characteristics are consistent with metals

Elastic perfectly plastic

Which type of stress-strain relationships best describes the behavior of most metals above their recrystallization temperature


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