Manufacturing Quiz 1
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