
Aerospace Materials Quiz
Quiz
•
Engineering
•
12th Grade
•
Hard
Kathryn Cadman
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are fiber metal laminates (FMLs) used in aerospace structures?
They are easier to manufacture than composites.
They are heavier than pure metals.
They offer high impact resistance and superior fatigue performance.
They are cheaper than pure metals.
Answer explanation
Fiber metal laminates (FMLs) are used in aerospace structures because they offer high impact resistance and superior fatigue performance, making them ideal for demanding applications where durability is crucial.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does GLARE differ from traditional aluminum alloys?
GLARE combines glass fibers with aluminum for enhanced properties.
GLARE is heavier than aluminum alloys.
GLARE is used only in military aircraft.
GLARE is less corrosion-resistant than aluminum alloys.
Answer explanation
GLARE differs from traditional aluminum alloys by incorporating glass fibers, which enhance its properties such as strength and durability, making it suitable for various applications beyond just military use.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the advantage of titanium over aluminum in aerospace applications?
Titanium is easier to repair than aluminum.
Titanium is more cost-effective than aluminum.
Titanium has higher strength and heat resistance.
Titanium is more lightweight than aluminum.
Answer explanation
Titanium's higher strength and heat resistance make it superior to aluminum in aerospace applications, allowing for better performance under extreme conditions and reducing the risk of structural failure.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is weight reduction critical in aircraft design?
It increases the aircraft's color options.
It reduces the need for maintenance.
It improves fuel efficiency, range, and payload capacity.
It allows for more luxurious interiors.
Answer explanation
Weight reduction is critical in aircraft design because it directly improves fuel efficiency, extends the range of the aircraft, and increases payload capacity, making the aircraft more economical and effective.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do FMLs improve impact and fatigue resistance compared to pure composites?
FMLs are cheaper to produce than pure composites.
FMLs combine metal layers with fiber-reinforced composites for enhanced properties.
FMLs are more flexible than pure composites.
FMLs have a higher density than pure composites.
Answer explanation
FMLs, or Fiber Metal Laminates, enhance impact and fatigue resistance by combining metal layers with fiber-reinforced composites, resulting in improved mechanical properties compared to pure composites.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which material is most commonly used in aerospace for fuselages and wings?
Aluminum alloys
Titanium alloys
Metal Matrix Composites
Carbon/Carbon composites
Answer explanation
Aluminum alloys are the most commonly used materials in aerospace for fuselages and wings due to their favorable strength-to-weight ratio, corrosion resistance, and ease of fabrication, making them ideal for aircraft structures.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a challenge associated with composite materials in aerospace?
They have low fatigue resistance.
They are too lightweight.
They are difficult to repair.
They are not corrosion-resistant.
Answer explanation
Composite materials are challenging to repair due to their complex structure and the need for specialized techniques, making maintenance difficult compared to traditional materials.
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