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MATSE 81 Quiz 1-4 Questions And Answers
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MATSE 81 Quiz 1-4 Questions And Answers
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Solution 2024/2025Pepper
MATSE 81 Quiz 1-4 Questions And Answers
According to the reading on the course web pages, these are the names of the three 'cultural' revolutions named for
materials used during their historical era. ANS✔✔ Neolithic Age, Bronze Age, Iron Age
According to the reading on the course web pages, this is perhaps the greatest invention of the Stone Age. ANS✔✔
Charcoal
According to the reading on the course web pages, these are two of the New World primary civilizations. ANS✔✔
Mesoamerica, Peru
According to the course reading, when were the earliest pottery pieces produced? ANS✔✔ Around 18,000 BCE
According to the course reading, what do biomaterials do? ANS✔✔ Are implanted in the body.
This class of solid materials is made up of materials that are usually soft, ductile, have low thermal conductivity and can
be opaque, translucent or transparent. ANS✔✔ polymers
These materials are hard and possess the lowest electrical conductivity of all the materials. ANS✔✔ ceramics
These materials include the familiar plastic and rubber materials. Many of them are organic compounds that are
chemically based on carbon, hydrogen, and other nonmetallic elements (i.e., O, N, and Si). ANS✔✔ polymers
You are handed an opaque, hard rod. In the lab you pull on the ends of the rod. Before it start to stretch, it breaks with
an audible 'snap'. You put one of the pieces on a hot plate and notice that it is slow to get hot on the top of the piece
away from the hot plate. What is the likely class of solid material of your rod? ANS✔✔ ceramics
These materials are employed in components implanted into the human body to replace diseased or damaged body
parts. ANS✔✔ biomaterials
, Solution 2024/2025
Pepper
About how big were the clay terracotta warriors? ANS✔✔ 6 ft tall and 600 lbs
They used to bury real people but that tradition changed because ANS✔✔ constant war led to population decreases and
the people became too valuable to kill.
How did the human sacrifices die? ANS✔✔ Arsenic poisoning
How does Yan Fuxing, like the ancient craftspeople, make crossbow trigger mechanisms? ANS✔✔ Casting
The processing steps for molding are to: ANS✔✔ mold the clay, allow it to dry for 3 hours, carve it, allow it to dry for 10
days, fire it
The danger of collapse of the clay under its own weight is worse: ANS✔✔ as the statue gets taller.
What was a fundamental problem with crafting the warriors in Northern China? ANS✔✔ Large seasonal temperature
swings
In general, why does the color flake off when the warriors are excavated? ANS✔✔ Exposure to air
What are they using to study the composition of Chinese Purple at Stanford University? ANS✔✔ High energy x-rays
What is the main difference between Chinese purple and Egyptian blue? ANS✔✔ Atomic composition
Input parameters for an input/output inventory for the life-cycle assessment of a product are: ANS✔✔ materials and
energy.
What is the estimated total tonnage of raw materials extracted from the Earth every year? ANS✔✔ 15 billion tons
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