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Easa module 8 basic aerodynamics

Quiz by Abed Suwissat

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16 questions
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  • Q1
    Which of the following is true about the Bernoulli's principle?
    The pressure of a fluid remains constant regardless of its velocity.
    The pressure of a fluid increases as its velocity increases.
    The pressure of a fluid decreases as its velocity increases.
    The pressure of a fluid is unrelated to its velocity.
    30s
  • Q2
    What is the definition of angle of attack?
    The angle between the horizontal stabilizer and the oncoming airflow.
    The angle between the trailing edge of an airfoil and the oncoming airflow.
    The angle between the leading edge of an airfoil and the oncoming airflow.
    The angle between the chord line of an airfoil and the oncoming airflow.
    30s
  • Q3
    What is the purpose of the winglets on an aircraft?
    To enhance maneuverability and control.
    To provide additional storage space.
    To reduce drag and improve fuel efficiency.
    To increase lift and generate more thrust.
    30s
  • Q4
    What is the purpose of the trailing edge flaps on an aircraft wing?
    To increase lift and decrease stall speed.
    To decrease lift and increase stall speed.
    To control the aircraft's roll during maneuvers.
    To reduce drag and increase cruise speed.
    30s
  • Q5
    What is the definition of stall in aerodynamics?
    A sudden reduction in lift caused by exceeding the critical angle of attack.
    A rapid ascent of an aircraft during takeoff.
    A sudden increase in lift caused by decreasing the angle of attack.
    A loss of control caused by excessive speed.
    30s
  • Q6
    What is the purpose of the ailerons on an aircraft?
    To control the roll or banking motion of the aircraft.
    To control the yaw or side-to-side motion of the aircraft.
    To control the pitch or up and down motion of the aircraft.
    To control the descent rate of the aircraft.
    30s
  • Q7
    What is the purpose of the elevator on an aircraft?
    To control the yaw or side-to-side motion of the aircraft.
    To control the descent rate of the aircraft.
    To control the roll or banking motion of the aircraft.
    To control the pitch or up and down motion of the aircraft.
    30s
  • Q8
    What is the definition of center of gravity (CG) in aircraft design?
    The point where the engines are located on the aircraft.
    The point where the pilot and passengers are seated in the aircraft.
    The point at which the aircraft would balance if it were suspended in the air.
    The point of maximum lift on the aircraft wing.
    30s
  • Q9
    What is the purpose of an airfoil?
    To reduce drag
    To generate lift
    To control roll
    To generate lift
    To increase drag
    30s
  • Q10
    What is the center of pressure on an airfoil?
    The point where the total aerodynamic force is considered to act
    The point where the airfoil is thickest
    The point where drag is minimized
    The point where the total aerodynamic force is considered to act
    30s
  • Q11
    What is the coefficient of lift?
    The weight of the aircraft
    A dimensionless value representing the lift generated by an airfoil
    A dimensionless value representing the lift generated by an airfoil
    The surface area of the wing
    30s
  • Q12
    What is the purpose of a wing's camber?
    To increase drag
    To generate lift
    To control roll
    To reduce drag
    30s
  • Q13
    What is the stall speed of an aircraft?
    The minimum speed at which the aircraft can maintain controlled flight
    The minimum speed at which the aircraft can maintain controlled flight
    The speed at which the aircraft takes off
    The speed at which the aircraft is cruising
    30s
  • Q14
    What is the purpose of a wind tunnel?
    To control air traffic
    To simulate flying in adverse weather conditions
    To test aerodynamic properties of models and prototypes
    To test aerodynamic properties of models and prototypes
    30s
  • Q15
    What is the primary function of a horizontal stabilizer on an aircraft?
    To provide stability and control in yaw
    To provide stability and control in pitch
    To provide stability and control in roll
    To provide stability and control in pitch
    30s

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