
Easa module 8 basic aerodynamics
Quiz by Abed Suwissat
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16 questions
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- Q1Which 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
- Q2What 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
- Q3What 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
- Q4What 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
- Q5What 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
- Q6What 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
- Q7What 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
- Q8What 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
- Q9What is the purpose of an airfoil?To reduce dragTo generate liftTo control rollTo generate liftTo increase drag30s
- Q10What is the center of pressure on an airfoil?The point where the total aerodynamic force is considered to actThe point where the airfoil is thickestThe point where drag is minimizedThe point where the total aerodynamic force is considered to act30s
- Q11What is the coefficient of lift?The weight of the aircraftA dimensionless value representing the lift generated by an airfoilA dimensionless value representing the lift generated by an airfoilThe surface area of the wing30s
- Q12What is the purpose of a wing's camber?To increase dragTo generate liftTo control rollTo reduce drag30s
- Q13What is the stall speed of an aircraft?The minimum speed at which the aircraft can maintain controlled flightThe minimum speed at which the aircraft can maintain controlled flightThe speed at which the aircraft takes offThe speed at which the aircraft is cruising30s
- Q14What is the purpose of a wind tunnel?To control air trafficTo simulate flying in adverse weather conditionsTo test aerodynamic properties of models and prototypesTo test aerodynamic properties of models and prototypes30s
- Q15What is the primary function of a horizontal stabilizer on an aircraft?To provide stability and control in yawTo provide stability and control in pitchTo provide stability and control in rollTo provide stability and control in pitch30s