How Well Do You Know About Aeronautics? Quiz

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AdewumiKoju
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  • 1/10 Questions

    Whose principle states that air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface?

    • Newton's
    • Bernoulli's
    • Leonardo da Vinci's
    • Marco Polo's
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About This Quiz

Airplanes in the sky surely are marvelous to watch. They are part of the wonders that science has bestowed on mankind. However, to ensure their continued existence, students and scientists have taken up the task of studying how they work and making more as required. This short quiz is to determine your knowledge regarding this aspect of scientific study known as Aeronautics.

How Well Do You Know About Aeronautics? Quiz - Quiz

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  • 2. 
    Thrust opposes which of the following?  - ProProfs

    Thrust opposes which of the following? 

    • Weight

    • Gravity

    • Drag

    • Friction

    Correct Answer
    A. Drag
    Explanation
    Thrust opposes drag because drag is the force that acts opposite to the direction of motion of an object through a fluid (such as air or water). Thrust, on the other hand, is the force that propels an object forward. So, when an object is moving through a fluid, the thrust force generated by the object's propulsion system counteracts the drag force acting on it, allowing the object to maintain its forward motion.

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  • 3. 
    Lift opposes which of the following? - ProProfs

    Lift opposes which of the following?

    • Weight

    • Gravity

    • Drag

    • Friction

    Correct Answer
    A. Weight
    Explanation
    Lift opposes weight because lift is the force that acts in an upward direction to support an object against the force of gravity. Weight, on the other hand, is the force exerted by gravity on an object, pulling it downward. Therefore, lift and weight act in opposite directions.

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  • 4. 
    Between the chord line of an airfoil and the direction of the air striking the airfoil, which of the following angle is formed?  - ProProfs

    Between the chord line of an airfoil and the direction of the air striking the airfoil, which of the following angle is formed? 

    • Acute angle 

    • Obtuse angle 

    • Right angle 

    • Straight angle 

    Correct Answer
    A. Acute angle 
    Explanation
    When an airfoil is struck by air, the chord line of the airfoil and the direction of the air striking the airfoil form an acute angle. An acute angle is an angle that measures less than 90 degrees. In the context of an airfoil, this angle is important as it determines the lift and drag forces acting on the airfoil.

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  • 5. 
    Which of the following best describes the term "angle of attack"?  - ProProfs

    Which of the following best describes the term "angle of attack"? 

    • The chord line of the wing and the relative wind 

    • Center line of the airplane and relative wind

    • Airplanes longitudinal axis and the air striking the airfoil

    • The segmental line of the wing and the relative wind

    Correct Answer
    A. The chord line of the wing and the relative wind 
    Explanation
    The term "angle of attack" refers to the angle between the chord line of the wing and the relative wind. The chord line is an imaginary straight line that runs from the leading edge to the trailing edge of an airfoil (such as a wing). The relative wind is the direction of the airflow in relation to the wing. The angle of attack is important in determining the lift and drag forces acting on the wing, and it plays a crucial role in the aircraft's performance and stability.

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  • 6. 
    When an aircraft turns, the horizontal line opposes which of the following? - ProProfs

    When an aircraft turns, the horizontal line opposes which of the following?

    • Gravity

    • Centrifugal force 

    • Inertia 

    • Kinetics

    Correct Answer
    A. Inertia 
    Explanation
    When an aircraft turns, the horizontal line opposes inertia. Inertia is the tendency of an object to resist changes in its motion, including changes in direction. As the aircraft turns, its inertia causes it to continue moving forward in a straight line, while the horizontal line opposes this motion and helps to change the aircraft's direction. Gravity is not directly related to the opposing force in turning, as it acts vertically downwards. Centrifugal force is a pseudo-force that appears to push objects away from the center of rotation, but it is not the opposing force in this case. Kinetics is not a relevant concept in this context.

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  • 7. 
    How many are the fundamental flight maneuvers?  - ProProfs

    How many are the fundamental flight maneuvers? 

    • 5

    • 3

    • 4

    • 7

    Correct Answer
    A. 4
    Explanation
    The correct answer is 4. There are four fundamental flight maneuvers which are essential for pilots to master: straight and level flight, turns, climbs, and descents. These maneuvers form the foundation of flight training and are necessary for safe and controlled flying.

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  • 8. 
    Asymmetric propeller loading occurs when? - ProProfs

    Asymmetric propeller loading occurs when?

    • At low airspeeds

    • At high airspeeds

    • At low angles of attack 

    • At high angles of attack 

    Correct Answer
    A. At high angles of attack 
    Explanation
    Asymmetric propeller loading occurs at high angles of attack. At high angles of attack, the airflow over the wings is disrupted, causing uneven lift distribution. This uneven lift distribution affects the propeller's efficiency and creates asymmetric loading. This can result in an imbalance of thrust and cause the aircraft to yaw or roll. It is important for pilots to be aware of this phenomenon and make appropriate adjustments to maintain control and stability.

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  • 9. 
    Which of the following is odd? - ProProfs

    Which of the following is odd?

    • Straight-and-level flight 

    • Pitch

    • Turns

    • Descents 

    Correct Answer
    A. Pitch
    Explanation
    Pitch is the odd one out because it refers to the movement of an aircraft's nose up or down, while straight-and-level flight, turns, and descents all involve the movement of the aircraft in a horizontal plane. Pitch is the only option that involves vertical movement.

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  • 10. 
    Which of the following increases the load factor on an airplane as compared to straight-and-level flight? - ProProfs

    Which of the following increases the load factor on an airplane as compared to straight-and-level flight?

    • Stalls 

    • Climbs

    • Pitch

    • Turns

    Correct Answer
    A. Turns
    Explanation
    Turns increase the load factor on an airplane as compared to straight-and-level flight. During a turn, the centripetal force acting on the aircraft increases, which in turn increases the load factor. The load factor is the ratio of the lift force acting on the aircraft to its weight. In a turn, the lift force must not only support the weight of the aircraft but also provide the centripetal force required to maintain the turn. This increased load factor puts additional stress on the wings and structure of the airplane.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 09, 2019
    Quiz Created by
    AdewumiKoju
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