Exam (elaborations)
Metals in the Plant Correct answers 2024/2025
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Metals in the Plant Correct answers 2024/2025
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Solution 2024/2025Pepper
Metals in the Plant
A metals ability to be stretched into wire without breaking is called its ______. It's ability to return to its original shape
after being deformed is called ______. ANS✔✔ ductility; elasticity
TPC Metals in the Plant p.5
Which magnetic material is an alloy?
Cobalt
Iron
Nickel
Alnico ANS✔✔ Alnico
TPC Metals in the Plant p.6
A solid and a liquid can exist together at the ______. Adding heat melts more of the solid ______ changing the
temperature. ANS✔✔ melting point; without
TPC Metals in the Plant p.6
An alloy containing iron as the base metal is... ANS✔✔ steel
TPC Metals in the Plant p.10
Machinability is the speed and ease with which a metal ______. ANS✔✔ can be cut on a machine tool
, Solution 2024/2025
Pepper
TPC Metals in the Plant p.13
The maximum amount of stress a material can exert is called its ______. ANS✔✔ yield strength
TPC Metals in the Plant p.25
A standard tensile test specimen exerts a resistance of 8500 lbs. What is the stress in the specimen? ANS✔✔ Ts = F/A
= 8500 lb / 0.200 in^2
= 42,500 psi
TPC Metals in the Plant p.25
When a metal supports a heavy load at high temperatures, it may undergo... ANS✔✔ creep
TPC Metals in the Plant p.29
Mass of a material per unit of volume is called its... ANS✔✔ density
TPC Metals in the Plant p.31
The ratio of a materials density to the density of water is called its... ANS✔✔ specific gravity
TPC Metals in the Plant p.31
Permanent-mold casting uses... ANS✔✔ both metal cores and sand cores
TPC Metals in the Plant p.39
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