BMST Test | Questions with 100% Correct Answers (A Rated)
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Course
BMST
Institution
BMST
Define Brittleness - ANSWER Inability of a metal to withstand SHOCK LOADING - deforms with a
sudden, sharp application of force
Define Brittle failure - ANSWER Metal permanently and suddenly deforms, fracturing
or breaking apart
Define Corrosion resistance - ANSWER ability of a metal to resist ...
BMST Test | Questions with 100% Correct
Answers (A Rated)
Define Brittleness - ANSWER Inability of a metal to withstand SHOCK LOADING - deforms with a
sudden, sharp application of force
Define Brittle failure - ANSWER Metal permanently and suddenly deforms, fracturing
or breaking apart
Define Corrosion resistance - ANSWER ability of a metal to resist chemical degradation
Define Ductility - ANSWER Ability of metal to withstand metal processing, such as bending,
hammering and rolling, without fracture/ability of metal to be formed and permanently
retain that shape
Define Ductile fracture - ANSWER Failure or fracture of a ductile material after a large amount
of processing or plastic deformation has taken place.
Define Elastic deformation - ANSWER Ability of a metal to be temporarily deformed under
load or stress, but demonstrates complete memory once load is removed.
Define Fatigue resistance - ANSWER Ability to withstand cyclic loading
, Define Malleability - ANSWER Ability of a metal to be worked, hammered or shaped
without breaking
Define Strain - ANSWER A ratio measurement of the difference between a metals length
under load to its length with no load
Define Strength - ANSWER Ability of metal to withstand load
Define Stress - ANSWER Measurement of intensity of a loading force
Define Toughness - ANSWER Ability of metal to withstand shock loading
Define Yield strength - ANSWER Ability of metal to withstand gradual progressive force
without permanent deformation
Define Plastic deformation - ANSWER Ability of metal to be manipulated and changed in
shape. While deformation is often considered a negative term, in this case it refers to the
reshaping of the metal into a desired product.
Name the heat treatments for metals. - ANSWER Tempering, annealing and normalizing.
What is the critical temperature? - ANSWER The temperature which internal chemical changes
occur.
What is tempering? - ANSWER Using heat to increase toughness, workability ductility.
Decreases brittleness.
BAD FOR ALUMINUM
What is normalizing? - ANSWER Heating the metal to or above the critical temperature and
cooling at a slow steady rate.
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