Ppl – Principles Of Flight

49 Questions | Total Attempts: 3187

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Ppl  Principles Of Flight

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Questions and Answers
  • 1. 
    As altitude increases, the indicated airspeed at which a given airplane stalls in a particular configuration will:
    • A. 

      Remain the same regardless of altitude.

    • B. 

      Decrease as the true airspeed decreases.

    • C. 

      Decrease as the airspeed increases.

  • 2. 
    An airplane will stall at the same:
    • A. 

      Angle of attack regardless of the altitude with relation to the horizon

    • B. 

      Airspeed regardless of the altitude with relation to the horizon

    • C. 

      Angle of attack and altitude with relation to the horizon

  • 3. 
    A turn coordinator provides an indicator of the:
    • A. 

      Angle of bank up to but not exceeding 30°.

    • B. 

      Attitude of the aircraft with reference to the longitudinal axis.

    • C. 

      Movement of the aircraft about the yaw and roll axes.

  • 4. 
    How should a pilot determine the direction of bank from an attitude indicator as the one illustrated?
    • A. 

      By the direction of deflection of the banking scale (A).

    • B. 

      By the relationship of the miniature airplane © to the deflected horizon bar (B)

    • C. 

      By the direction of deflection of the horizon bar (B).

  • 5. 
    The most important rule to remember in the event of a power failure after becoming airborne is to:
    • A. 

      Quickly check the fuel supply for possible fuel exhaustion.

    • B. 

      Determine the wind direction to plan for the forced landing

    • C. 

      Immediately establish the proper gliding attitude and airspeed.

  • 6. 
    What force makes an airplane turn?
    • A. 

      The vertical component of lift.

    • B. 

      Centrifugal force.

    • C. 

      The horizontal component of lift.

  • 7. 
    What does P-factor cause the airplane to yaw to the left?
    • A. 

      When at high angles of attack.

    • B. 

      When at low angles of attack.

    • C. 

      When at high airspeeds.

  • 8. 
    Which basic flight maneuver increases the load factor on an airplane as compared to straight-and-level flight?
    • A. 

      Turns

    • B. 

      Climbs

    • C. 

      Stalls

  • 9. 
    One of the main functions of flaps during approach and landing is to:
    • A. 

      Decrease the angle of descent without increasing the airspeed.

    • B. 

      Increase the angle of descent without increasing the airspeed.

    • C. 

      Permit a touchdown at a higher indicated airspeed.

  • 10. 
    The wind condition that requires maximum caution when avoiding wake turbulence on landing is a:
    • A. 

      Light, quartering headwind.

    • B. 

      Light, quartering tailwind.

    • C. 

      Strong headwind.

  • 11. 
    When landing behind a large aircraft, the pilot should avoid wake turbulence by staying?
    • A. 

      Above the large aircraft’s final approach path and landing beyond the large aircraft’s touchdown point.

    • B. 

      Below the large aircraft’s final approach path and landing before aircraft’s touchdown point.

    • C. 

      Above the large aircraft’s final approach path and landing before the large aircraft’s touchdown point.

  • 12. 
    The stalling speed of an airplane is most affected by:
    • A. 

      Changes in air density

    • B. 

      Variations in flight altitude

    • C. 

      Variations in airplane loading

  • 13. 
    During the Transition from straight-and-level flight to a climb, the angle of attack is increased and lift:
    • A. 

      Is momentarily decreased

    • B. 

      Remains the same

    • C. 

      Is momentarily increased

  • 14. 
    In theory, if the airspeed of an airplane is doubled while in level flight, parasite drag will become:
    • A. 

      Twice as great

    • B. 

      Half as great

    • C. 

      Four times greater

  • 15. 
    Stall speed is affected by:
    • A. 

      Weight, load factor, and power

    • B. 

      Load factor, angle of attack, and power

    • C. 

      Angle of attack, weight, and air density

  • 16. 
    Airplane wing load during a level coordinated turn in smooth air depends upon the:
    • A. 

      Rate of turn

    • B. 

      Angle of bank

    • C. 

      True airspeed

  • 17. 
    To produce the same lift while in ground effect as when out of ground effect, the airplane requires:
    • A. 

      A lower angle of attack

    • B. 

      The same angle of attack

    • C. 

      A greater angle of attack

  • 18. 
    If airspeed is increased during a level turn, what action would be necessary to maintain altitude? The angle of attack:
    • A. 

      And angle of bank must be decreased

    • B. 

      Must be increased or angle of bank decreased

    • C. 

      Must be decreased or angle of bank increased

  • 19. 
    If a standard rate turn is maintained, how long would it take to turn 360°?
    • A. 

      1 minute

    • B. 

      2 minutes

    • C. 

      3 minutes

  • 20. 
    To increase the rate of turn at the same time decrease the radius, a pilot should:
    • A. 

      Maintain the bank and decreased airspeed

    • B. 

      Increase the bank and increase airspeed

    • C. 

      Increase the bank and decrease airspeed

  • 21. 
    Which is true regarding the use of flaps during level turns?
    • A. 

      The lowering of flaps increases the stall speed

    • B. 

      The raising of flaps increases the stall speed

    • C. 

      Raising flaps will require added forward pressure on the yoke or stick

  • 22. 
    A rectangular wing, as compared to other wing platforms, has a tendency to stall first at the:
    • A. 

      Wingtip, with the stall progression toward the wing root

    • B. 

      Wing root, with the stall progression toward the wingtip

    • C. 

      Center trailing edge, with the stall progression outward toward the wing root and tip

  • 23. 
    The angle of attack of a wing directly controls the:
    • A. 

      Angle of incidence of the wing

    • B. 

      Amount of airflow above and below the wing

    • C. 

      Distribution of pressures acting on the wing

  • 24. 
    By changing the angle of attack of a wing, a pilot can control the airplane’s:
    • A. 

      Lift, airspeed, and drag

    • B. 

      Lift, airspeed and CG

    • C. 

      Lift and airspeed, but not drag

  • 25. 
    The angle of attack at which a wing stalls remains constant regardless of:
    • A. 

      Weight, dynamic pressure, bank angle, or pitch attitude

    • B. 

      Dynamic pressure, but varies with weight, bank angle, and pitch attitude

    • C. 

      Weight and pitch attitude, but varies with dynamic pressure and bank angle

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