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