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Helicopters
Contributed by: Porter
  • 1. Who is credited with inventing the first successful helicopter?
A) Leonardo da Vinci
B) Elon Musk
C) Igor Sikorsky
D) Wilbur Wright
  • 2. Which part of a helicopter creates lift and allows it to fly?
A) Engine
B) Rotor blades
C) Tail rotor
D) Fuselage
  • 3. What is the name of the device that controls the pitch of a helicopter's rotor blades?
A) Battery
B) Rudder
C) Accelerator
D) Swashplate
  • 4. Which country has the largest military helicopter fleet in the world?
A) China
B) India
C) Russia
D) United States
  • 5. What instrument is used to measure the altitude of a helicopter above sea level?
A) Compass
B) Altimeter
C) Fuel gauge
D) Speedometer
  • 6. What do the collective and cyclic controls in a helicopter control?
A) Collective: engine power, cyclic: altitude
B) Collective: controls overall lift, cyclic: controls tilt and direction
C) Collective: landing gear, cyclic: stability
D) Collective: communication, cyclic: speed
  • 7. What is the purpose of the transmission system in a helicopter?
A) To control altitude
B) To navigate using GPS
C) To transfer power from the engine to the rotor system
D) To provide air conditioning
  • 8. What is the design advantage of a coaxial rotor system on a helicopter?
A) Higher top speed
B) Larger cargo capacity
C) Improved maneuverability and efficiency
D) Quieter operation
  • 9. What is the use of a helicopter's skids or landing gear?
A) To generate lift
B) To control altitude
C) To support the helicopter on the ground
D) To steer the helicopter
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