What type of wheels were used in the Wright Flyer?

• Bicycle wheels

• Roller-skate wheels

• Car wheels

• Train wheels

Which famous aviator's plane used the construction method mentioned in the text?

• Charles Lindbergh

• Amelia Earhart

• Howard Hughes

• Orville Wright

Which aircraft became known as the first metal airliner?

• Boeing 707

• Ford’s 4-AT Air Transport

• Douglas DC-3

• Lockheed Constellation

What is Duramold made from?

• Aluminum and steel

• Birch ply and phenolic resin

• Carbon fiber and epoxy

• Titanium and nickel

What is a characteristic of Duramold compared to aluminum?

• Heavier

• 80% stronger

• More expensive

• Less durable

What is the main benefit of using composite materials in aircraft?

• Increased weight

• Reduced cost

• Enhanced strength and reduced weight

• Improved aesthetics

What is the significance of the Hughes flying boat in the context of composite materials?

• First aircraft to use composites

• Largest aircraft ever built

• Fastest aircraft of its time

• First commercial jet

Which of the following is NOT a benefit of using composite materials in aerospace?

• Higher cost of materials

• Lighter weight and higher strength

• Not visible to radar waves

• Creation of streamlined shapes

Which aircraft is known as the Stealth Bomber?

• Northrop B-2

• Beech Starship

• Airbus A350

• Boeing 747

What is used in carbon fiber-reinforced polymer wings to protect against electromagnetic interference?

• Polymer and ceramics-based materials

• Metal sheets

• Wood layers

• Plastic foams