Helicopters

1. Who is credited with inventing the first successful helicopter?

A) Igor Sikorsky
B) Wilbur Wright
C) Leonardo da Vinci
D) Elon Musk

2. Which part of a helicopter creates lift and allows it to fly?

A) Fuselage
B) Tail rotor
C) Engine
D) Rotor blades

3. What is the name of the device that controls the pitch of a helicopter's rotor blades?

A) Battery
B) Swashplate
C) Accelerator
D) Rudder

4. Which country has the largest military helicopter fleet in the world?

A) India
B) China
C) United States
D) Russia

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: landing gear, cyclic: stability
C) Collective: communication, cyclic: speed
D) Collective: controls overall lift, cyclic: controls tilt and direction

7. 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

8. What is the design advantage of a coaxial rotor system on a helicopter?

A) Higher top speed
B) Quieter operation
C) Larger cargo capacity
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 support the helicopter on the ground
C) To control altitude
D) To generate lift

Created with That Quiz — where a math practice test is always one click away.