Helicopter Design Quiz

What is the main objective mentioned in the document?

• To explore the history of helicopter designs.

• To learn about airplane mechanics.

• To study the evolution of cars.

• To understand the principles of flight.

What is a common feature of multirotor aircraft and helicopters?

• They both have fixed wings.

• They both use jet engines.

• They both provide lift from blades rotating around a vertical central axis.

• They both have multiple engines.

What does the historical development of the helicopter provide insight into?

• The design of modern airplanes

• The eventual design intentions of the multirotor airframe

• The history of aviation laws

• The evolution of jet engines

What were helicopter designs one of the earliest ideas for?

• Space exploration

• Achieving flight

• Underwater navigation

• High-speed rail travel

What does aerodynamics study?

• The study of water currents

• The study of objects in motion through the air

• The study of sound waves

• The study of chemical reactions

What is another name for an airscrew?

• Airplane propeller

• Jet engine

• Rotor blade

• Wind turbine

In which century did Leonardo da Vinci design the airscrew?

• 14th Century

• 15th Century

• 16th Century

• 17th Century

What is the force that moves an aircraft through the air?

• Drag

• Thrust

• Weight

• Lift

What is the term for the aerodynamic force that acts opposite to the direction of motion?

• Lift

• Drag

• Thrust

• Weight

What did the toy helicopter model consist of?

• Two rotors with feathers stuck in corks

• Three rotors with metal blades

• Four rotors with plastic wings

• One rotor with wooden paddles