Helicopters
  • 1. Who is credited with inventing the first successful helicopter?
A) Leonardo da Vinci
B) Wilbur Wright
C) Elon Musk
D) Igor Sikorsky
  • 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) Swashplate
D) Rudder
  • 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) Speedometer
B) Fuel gauge
C) Altimeter
D) Compass
  • 6. What do the collective and cyclic controls in a helicopter control?
A) Collective: controls overall lift, cyclic: controls tilt and direction
B) Collective: landing gear, cyclic: stability
C) Collective: engine power, cyclic: altitude
D) Collective: communication, cyclic: speed
  • 7. What is the purpose of the transmission system in a helicopter?
A) To transfer power from the engine to the rotor system
B) To navigate using GPS
C) To provide air conditioning
D) To control altitude
  • 8. What is the design advantage of a coaxial rotor system on a helicopter?
A) Larger cargo capacity
B) Higher top speed
C) Quieter operation
D) Improved maneuverability and efficiency
  • 9. What is the use of a helicopter's skids or landing gear?
A) To control altitude
B) To support the helicopter on the ground
C) To generate lift
D) To steer the helicopter
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