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MATSE 81, Examination 03 Lessons 09-12 Questions And Answers
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MATSE 81, Examination 03 Lessons 09-12 Questions And Answers
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Solution 2024/2025Pepper
MATSE 81, Examination 03: Lessons 09-12
Questions And Answers
According to the course reading, the ancient Mesopotamians began using this composite around 3400 BCE
plywood
What principle say that a multiphase material that exhibits a significant proportion of the properties of both constituent
phases such that a better combination of properties is realized is a composite?
principle of combined action
What are the sub-classifications of fiber-reinforced composite types discussed in this chapter?
discontinuous, continuous
What best describes cermets?
the most common one is used for cutting tools for hardened steel
What is necessary for the complete bonding of cement and the aggregate particles in concrete?
correct quantity of water
What dispersed phase is the most technologically important composite?
fiber
Graphite, silicon nitride, and aluminum oxide are fiber-reinforced materials from what classification of fibers?
whiskers
Which of these is a stated desirable function of the matrix for fiber-reinforced composites?
binds the fibers together
This composite is composed of two-dimensional sheets or panels bonded to one another:
laminar
Which of these nanocomposite materials classifications is used in the niche application of anodes for lithium-ion
rechargeable batteries?
energy storage
According to the video Monuments to Man: The Impact and Influence of Concrete on Civilization, who is second only to
man’s never-ending desire to build?
, Solution 2024/2025
Pepper
minute sea animals
According to the video Monuments to Man: The Impact and Influence of Concrete on Civilization, how long did it take the
Romans to develop their knowledge of concrete?
more than 300 years
How long ago where the great Roman concrete structures built?
nearly 2,000 years ago
Approximately how many spectators did the Roman Colosseum hold?
50,000
According to the video Monuments to Man: The Impact and Influence of Concrete on Civilization, who developed
reinforced concrete?
Monier
What was first added to concrete to make reinforced concrete?
chicken wire
What is prestressed concrete?
concrete where steel rods have been tightened up during the hardening process
According to the video Monuments to Man: The Impact and Influence of Concrete on Civilization, how many movies has
the Empire State Building has been used in?
more than 90
In the video Monuments to Man: The Impact and Influence of Concrete on Civilization, where was the bridge highlighted
in the video that was constructed of box girders?
Australia
According to the video Monuments to Man: The Impact and Influence of Concrete on Civilization, how many workers
died during the construction of the Panama Canal?
56,000
Which of these are classified by the textbook as metal casting?
sand, die, investment, lost foam, continuous
What is rolling?
passing a piece of metal between two rolls
What is investment casting?
, Solution 2024/2025
Pepper
pattern is made from a wax or plastic
What is sand casting?
ordinary sand is used as the mold material
These are formed at elevated temperatures from a fluid mass.
glass shapes
Which glass forming process involves the pressure application of graphite-coated cast iron mold?
pressing
What is fracture occurring from internal stresses that were introduced as a result of differences of cooling rates and
thermal contraction?
thermal shock
What is process in which long thin strips of flexible ribbon are produced by pouring slip onto a flat surface?
tape casting
What is the material called which is most often added to polymers to improve tensile and compressive strength,
abrasion resistance, toughness, dimensional and thermal stability, and other properties?
filler
What is the process called in which molten thermoplastic material is impelled through a nozzle into an enclosed mold
cavity?
injection molding
According to the video Raw to Ready: Bombardier, how many people fly on commercial jets each day?
4 million
According to the video Raw to Ready: Bombardier, how much do the regional jets weigh?
42 tons
According to the video Raw to Ready: Bombardier, what does scientist Charles Martin Hall’s electrolytic reduction
process produce?
molten aluminum and oxygen gas
According to the video Raw to Ready: Bombardier, how much was metallurgist Alfred Wilm able to strengthen
aluminum?
twice as strong
According to the video Raw to Ready: Bombardier, what was added to aluminum to prevent cracking?
, Solution 2024/2025
Pepper
zinc
According to the video Raw to Ready: Bombardier, what is required to be truly strong glass?
chemical tampering
According to the video Raw to Ready: Bombardier, who discovered titanium?
an English pastor
In the video Raw to Ready: Bombardier, how many fan blades are there in the titanium front fan?
28
According to the video Raw to Ready: Bombardier, what did the Mongolian horsemen use to build their empire?
composite bows
According to the video Raw to Ready: Bombardier, when applied, what do acrylic lacquer sealants quickly bond to?
protein layer of the treated hide
biomaterials
materials designed specifically for use in the biological applications, such as artificial limbs and membranes for dialysis as
well as bones and muscle
biotechnology
branch of engineering involving the manipulation of inorganic and organic materials to work in tandem with one another
structural biomaterials
materials designed to bear load and provide support for a living organism, such as bones
functional biomaterials
materials that interact or replace biological systems with a primary function other than providing structural support
biocompatibility
the ability of a biomaterial to function within a host without triggering an immune response
How long do hip replacements typically last?
10 to 20 years
This most common type of artificial limbs begins below the knee.
Transtibial prostheses
The Palmaz stent was made of what material that was used for many years and is still used in some stents?
stainless steel
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