MATSE 81 Exam 3 ACTUAL QUESTIONS
AND CORRECT ANSWERS
According to the course reading, the composite bow was first used by this group of people. -
CORRECT ANSWER Mongols
What types of structural materials are aircraft engineers searching for? - CORRECT
ANSWER low density and stiff
What are the sub-classifications of fiber-reinforced composite types discussed in this chapter?
- CORRECT ANSWER discontinuous, continuous
What best describes cermets? - CORRECT ANSWER the most common one is used
for cutting tools for hardened steel
Which is NOT a benefit of adding steel reinforcement to Portland cement concrete? -
CORRECT ANSWER can now set under water
High-strength steel, molybdenum, and tungsten are fiber-reinforced materials from what
classification of fibers? - CORRECT ANSWER continuous
High-strength steel, molybdenum, and tungsten are fiber-reinforced materials from what
classification of fibers? - CORRECT ANSWER wires
In general, what is the role of the reinforcing component in a ceramic-matrix composite? -
CORRECT ANSWER improve fracture toughness
This composite is designed to be lightweight beams or panels: - CORRECT
ANSWER sandwich panel
, Which of these nanocomposite materials classifications is used in the niche application of
anodes for lithium-ion rechargeable batteries? - CORRECT ANSWER energy storage
According to the video Monuments to Man: The Impact and Influence of Concrete on
Civilization, without ready access to this, genius and work would never reach such noble
heights. - CORRECT ANSWER a dull grey powder
According to the video Monuments to Man: The Impact and Influence of Concrete on
Civilization, what is the planet's greatest natural structure? - CORRECT
ANSWER Australia's Great Barrier Reef
How long ago where the great Roman concrete structures built? - CORRECT
ANSWER nearly 2,000 years ago
One of the finest and best preserved of the Roman structures is the Pantheon, how much
concrete was used for its construction? - CORRECT ANSWER more than 5,000 tons
Who developed Portland Cement? - CORRECT ANSWER Smeaton
What was first added to concrete to make reinforced concrete? - CORRECT
ANSWER chicken wire
According to the video Monuments to Man: The Impact and Influence of Concrete on
Civilization, who developed prestressing concrete? - CORRECT ANSWER Freyssinet
What about the Hong Kong and Shanghai Bank, built in 1985, was highlighted in the video
Monuments to Man: The Impact and Influence of Concrete on Civilization? - CORRECT
ANSWER steelworks were sprayed with special mixture of concrete to prevent
corrosion
How heavy are the underwater concrete blocks used by the Verrazano bridge in New York? -
CORRECT ANSWER 400,000 tons
AND CORRECT ANSWERS
According to the course reading, the composite bow was first used by this group of people. -
CORRECT ANSWER Mongols
What types of structural materials are aircraft engineers searching for? - CORRECT
ANSWER low density and stiff
What are the sub-classifications of fiber-reinforced composite types discussed in this chapter?
- CORRECT ANSWER discontinuous, continuous
What best describes cermets? - CORRECT ANSWER the most common one is used
for cutting tools for hardened steel
Which is NOT a benefit of adding steel reinforcement to Portland cement concrete? -
CORRECT ANSWER can now set under water
High-strength steel, molybdenum, and tungsten are fiber-reinforced materials from what
classification of fibers? - CORRECT ANSWER continuous
High-strength steel, molybdenum, and tungsten are fiber-reinforced materials from what
classification of fibers? - CORRECT ANSWER wires
In general, what is the role of the reinforcing component in a ceramic-matrix composite? -
CORRECT ANSWER improve fracture toughness
This composite is designed to be lightweight beams or panels: - CORRECT
ANSWER sandwich panel
, Which of these nanocomposite materials classifications is used in the niche application of
anodes for lithium-ion rechargeable batteries? - CORRECT ANSWER energy storage
According to the video Monuments to Man: The Impact and Influence of Concrete on
Civilization, without ready access to this, genius and work would never reach such noble
heights. - CORRECT ANSWER a dull grey powder
According to the video Monuments to Man: The Impact and Influence of Concrete on
Civilization, what is the planet's greatest natural structure? - CORRECT
ANSWER Australia's Great Barrier Reef
How long ago where the great Roman concrete structures built? - CORRECT
ANSWER nearly 2,000 years ago
One of the finest and best preserved of the Roman structures is the Pantheon, how much
concrete was used for its construction? - CORRECT ANSWER more than 5,000 tons
Who developed Portland Cement? - CORRECT ANSWER Smeaton
What was first added to concrete to make reinforced concrete? - CORRECT
ANSWER chicken wire
According to the video Monuments to Man: The Impact and Influence of Concrete on
Civilization, who developed prestressing concrete? - CORRECT ANSWER Freyssinet
What about the Hong Kong and Shanghai Bank, built in 1985, was highlighted in the video
Monuments to Man: The Impact and Influence of Concrete on Civilization? - CORRECT
ANSWER steelworks were sprayed with special mixture of concrete to prevent
corrosion
How heavy are the underwater concrete blocks used by the Verrazano bridge in New York? -
CORRECT ANSWER 400,000 tons
