Explain the purpose of the American Society for Testing and Materials.
What will be an ideal response?
The American Society for Testing and Materials (ASTM) is a nonprofit corporation formed for the development of standards on characteristics and performance of materials, products, systems, and services and for the promotion of related knowledge. The standards include test methods, definitions, recommended practices, classifications, and specifications. Standards developed by the society's committees are published annually in a 48-volume publication, Book of ASTM Standards.
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At maximum speed, a wind turbine produces 775 kW of power. Ele?ctric energy is power multiplied by time. If the turbine ran at maximum speed for 6.25 hours, how much electric energy was produced by this turbine?
Fill in the blank(s) with the appropriate word(s).
A small triangle at the end of dimension lines and leaders that indicates the direction and extent of a dimension is called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
As filters age and collect more particles, the differential pressure _____.
a. fluctuates b. stays the same c. increases d. decreases
Which of the following can be determined through a property known as the linear coefficient of thermal expansion?
A. Number of lateral constraints causing several points of failure B. Number of vertical constraints causing several points of failure C. Amount of expansion for slender steel members, such as beams and columns D. Amount of contraction for slender steel members, such as beams and columns