MATSE 81 Exam 3 UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
According to the course reading, the ancient Mesopotamians began using this composite
around 3400 BCE. - CORRECT ANSWER plywood
What two phases compose many composite materials? - CORRECT ANSWER matrix
and dispersed phase
What are the sub-classifications of structural composite types discussed in this chapter? -
CORRECT ANSWER laminates, sandwich panels
What is the distinction between large-particle and dispersion-strengthened composites? -
CORRECT ANSWER continuum mechanics is used for the particle-matrix interaction
What is the major limitation of Portland Concrete? - CORRECT ANSWER extremely
brittle
What direction of fiber alignment with applied stress results in the best strengthening? -
CORRECT ANSWER parallel
On the basis of diameter and character, fibers are grouped into what different classifications?
- CORRECT ANSWER whiskers, fibers, 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
increasing the freshness and shelf lived of food and beverages? - CORRECT
ANSWER gas-barrier coatings
According to the video Monuments to Man: The Impact and Influence of Concrete on
Civilization, this substance has little use as a solo medium? - CORRECT
ANSWER cement
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
Concrete has all of the following properties except: - CORRECT ANSWER crack
resistant
Approximately how many spectators did the Roman Colosseum hold? - CORRECT
ANSWER 50,000
What is 'Portland Cement' named after? - CORRECT ANSWER a local landmark near
its development
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 uses scientific mixes of selected raw materials to produce very dense
concrete? - CORRECT ANSWER nuclear power plants
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? - CORRECT
ANSWER more than 90
QUESTIONS AND CORRECT ANSWERS
According to the course reading, the ancient Mesopotamians began using this composite
around 3400 BCE. - CORRECT ANSWER plywood
What two phases compose many composite materials? - CORRECT ANSWER matrix
and dispersed phase
What are the sub-classifications of structural composite types discussed in this chapter? -
CORRECT ANSWER laminates, sandwich panels
What is the distinction between large-particle and dispersion-strengthened composites? -
CORRECT ANSWER continuum mechanics is used for the particle-matrix interaction
What is the major limitation of Portland Concrete? - CORRECT ANSWER extremely
brittle
What direction of fiber alignment with applied stress results in the best strengthening? -
CORRECT ANSWER parallel
On the basis of diameter and character, fibers are grouped into what different classifications?
- CORRECT ANSWER whiskers, fibers, 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
increasing the freshness and shelf lived of food and beverages? - CORRECT
ANSWER gas-barrier coatings
According to the video Monuments to Man: The Impact and Influence of Concrete on
Civilization, this substance has little use as a solo medium? - CORRECT
ANSWER cement
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
Concrete has all of the following properties except: - CORRECT ANSWER crack
resistant
Approximately how many spectators did the Roman Colosseum hold? - CORRECT
ANSWER 50,000
What is 'Portland Cement' named after? - CORRECT ANSWER a local landmark near
its development
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 uses scientific mixes of selected raw materials to produce very dense
concrete? - CORRECT ANSWER nuclear power plants
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? - CORRECT
ANSWER more than 90
