METALLURGY EXAM #1 2024 WITH 100% ACCURATE SOLUTIONS
T/F: A characteristic dimensional change of a material in response to applied external or internal mechanical forces is called a chemical property. - correct answer FALSE
T/F: There is no manner in which to modify the structure of a metal...
METALLURGY EXAM #1 2024 WITH
100% ACCURATE SOLUTIONS
T/F: A characteristic dimensional change of a material in response to applied external or internal
mechanical forces is called a chemical property. - correct answer✔✔ FALSE
T/F: There is no manner in which to modify the structure of a metal. - correct answer✔✔ False
T/F: The materials sciences consists of four branches - correct answer✔✔ False
t/f: Metallurgy is divided into extractive, mechanical, and physical metallurgy. - correct answer✔✔ True
t/f: A crystal structure is a configuration of atoms as they add to one another in an orderly and repeating
three dimensional pattern. - correct answer✔✔ True
t/f: Ceramic Engineering is the study of the development and production of products made from
nonmetallic, inorganic materials by firing at high temperatures. - correct answer✔✔ True
t/f: Alloys refer strictly to pure metals - correct answer✔✔ False
t/f: Metal powder are used in the production of polymers - correct answer✔✔ False
t/f: alloying affects the properties of pure metals. - correct answer✔✔ True
t/f: quality system audits for ISO 9000 include assessment of the calibration and control of laboratory
equipment employed to develop material properties. - correct answer✔✔ True
t/f: physical metallurgy studies the effects of stress, time, and temperature on metals. - correct
answer✔✔ False
, t/f: super alloys are produced by metal powders - correct answer✔✔ True
t/f: density is measures in grams per square centimeter or pounds per square inch - correct answer✔✔
false
t/f: melting point is the temperature at which a material transitions from a solid to a liquid state. -
correct answer✔✔ True
t/f: heat capacity is the amount of thermal energy required to raise the temperature of a body by one
degree - correct answer✔✔ True
t/f: Specific gravity is expressed in g/cm^3 - correct answer✔✔ False
t/f: Celsius and Fahrenheit are the two temperature scales used most often. - correct answer✔✔ True
t/f: more thermal energy is required to break strong atomic bonds which results in a lower melting point
- correct answer✔✔ False
t/f: thermal expansion is the change in heat capacity per degree of temperature - correct answer✔✔
false
t/f: magnetostriction is the dimension change that a nonmagnetic metal exhibits when it is magnetized -
correct answer✔✔ false
t/f: castings are usually more dense than wrought metals of similar composition - correct answer✔✔
False
t/f: pyrometer types include bimetallic coil, liquid expansion, radiation and magnetic. - correct
answer✔✔ True
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