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