Ppl – Human Performance

47 Questions | Total Attempts: 1764

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Ppl  Human Performance

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Questions and Answers
  • 1. 
    During a night flight, you observe a steady red light and a flashing red light ahead and at the same altitude. What is the general direction of movement of the other aircraft?
    • A. 

      The other aircraft is crossing to the left.

    • B. 

      The other aircraft is crossing to the right.

    • C. 

      The other aircraft is approaching head-on.

  • 2. 
    During a night flight, you observe steady red and green lights ahead and at the same altitude. What is the general direction of movement of the other aircraft?
    • A. 

      The other aircraft is crossing to the left.

    • B. 

      The other aircraft is flying away from you.

    • C. 

      The other aircraft is approaching head-on.

  • 3. 
    During a night flight, you observe a steady white light and a flashing red light ahead and at the same altitude. What is the general direction of movement of the other aircraft?
    • A. 

      The other aircraft is flying away from you.

    • B. 

      The other aircraft is crossing to the left.

    • C. 

      The other aircraft is crossing to the right.

  • 4. 
    The best method to use when looking for other traffic at night is to
    • A. 

      Look to the side of the object and scan slowly.

    • B. 

      Scan the visual field very rapidly.

    • C. 

      Look to the side of the object and scan rapidly.

  • 5. 
    The most effective method of scanning for other aircraft for collision avoidance during nighttime hours is to use
    • A. 

      Regularly spaced concentration on the 3-, 9-, and 12-o'clock positions.

    • B. 

      A series of short regularly spaced eye movements to search each 30-degree sector.

    • C. 

      Peripheral vision by scanning small sectors and utilizing off center viewing.

  • 6. 
    Large accumulations of carbon monoxide in the human body result in
    • A. 

      Tightness across the forehead.

    • B. 

      Loss of muscular power.

    • C. 

      An increased sense of well-being.

  • 7. 
    Which statement best defines hypoxia?
    • A. 

      A state of oxygen deficiency in the body.

    • B. 

      An abnormal increase in the volume of air breathed.

    • C. 

      A condition of gas bubble formation around the joints or muscles.

  • 8. 
    The most effective method of scanning for other aircraft for collision avoidance during daylight hours is to use
    • A. 

      Regularly spaced concentration on the 3-, 9-, and 12-o'clock positions.

    • B. 

      A series of short regularly spaced eye movements to search each 10-degree sector.

    • C. 

      Peripheral vision by scanning small sectors and utilizing off center viewing.

  • 9. 
    Rapid or extra deep breathing while using oxygen can cause a condition known as
    • A. 

      Hyperventilation.

    • B. 

      Aero sinusitis.

    • C. 

      Aerotitis.

  • 10. 
    Which technique should a pilot use to scan for traffic to the right and left during straight-and-level flight?
    • A. 

      Systematically focus on different segments of the sky for short intervals.

    • B. 

      Concentrate on relative movement detected in the peripheral vision area.

    • C. 

      Continuous sweeping of the windshield from right to left.

  • 11. 
    How can you determine if another aircraft is on a collision course with your aircraft?
    • A. 

      The other aircraft will always appear to get larger and closer at a rapid rate.

    • B. 

      The nose of each aircraft is pointed at the same point in space.

    • C. 

      There will be no apparent relative motion between your aircraft and the other aircraft.

  • 12. 
    If a pilot experiences spatial disorientation during flight in a restricted visibility condition, the best way to overcome the effect is to
    • A. 

      Rely upon the aircraft instrument indications.

    • B. 

      Concentrate on yaw, pitch, and roll sensations.

    • C. 

      Consciously slow the breathing rate until symptoms clear and then resume normal breathing rate.

  • 13. 
    Pilots are more subject to spatial disorientation if
    • A. 

      They ignore the sensations of muscles and inner ear.

    • B. 

      Body signals are used to interpret flight attitude.

    • C. 

      Eyes are moved often in the process of cross-checking the flight instruments.

  • 14. 
    A person may not act as a crewmember of a civil aircraft if alcoholic beverages have been consumed by that person within the preceding
    • A. 

      8 hours.

    • B. 

      12 hours.

    • C. 

      24 hours.

  • 15. 
    Which is true regarding the presence of alcohol within the human body?
    • A. 

      A small amount of alcohol increases vision acuity.

    • B. 

      An increase in altitude decreases the adverse effect of alcohol.

    • C. 

      Judgment and decision-making abilities can be adversely affected by even small amounts of alcohol.

  • 16. 
    Why is hypoxia particularly dangerous during flights with one pilot?
    • A. 

      Night vision may be so impaired that the pilot cannot see other aircraft.

    • B. 

      Symptoms of hypoxia may be difficult to recognize before the pilot's reactions are affected.

    • C. 

      The pilot may not be able to control the aircraft even if using oxygen.

  • 17. 
    Which statement is correct regarding the use of cockpit lighting for night flight?
    • A. 

      Reducing the lighting intensity to a minimum level will eliminate blind spots.

    • B. 

      The use of regular white light, such as a flashlight, will impair night adaptation.

    • C. 

      Coloration shown on maps is least affected by the use of direct red lighting.

  • 18. 
    What action should be taken if hyperventilation is suspected?
    • A. 

      Breathe at a slower rate by taking very deep breaths.

    • B. 

      Consciously breathe at a slower rate than normal.

    • C. 

      Consciously force yourself to take deep breaths and breathe at a faster rate than normal.

  • 19. 
    Which would most likely result in Hyperventilation?
    • A. 

      Emotional tension, anxiety or fear.

    • B. 

      The excessive consumption of alcohol.

    • C. 

      An extremely slow rate of breathing and insufficient oxygen.

  • 20. 
    A pilot should be able to overcome the symptoms or avoid future occurrences of hyperventilation by
    • A. 

      Closely monitoring the flight instruments to control the airplane.

    • B. 

      Slowing the breathing rate, breathing into a bag, or talking aloud.

    • C. 

      Increasing the breathing rate in order to increase lung ventilation.

  • 21. 
    The danger of spatial disorientation during flight in poor visual conditions may be reduced by
    • A. 

      Shifting the eyes quickly between the exterior visual field and the instrument panel

    • B. 

      Having faith in the instruments rather than taking a chance on the sensory organs.

    • C. 

      Leaning the body in the opposite direction of the motion of the aircraft.

  • 22. 
    A state of temporary confusion resulting from misleading information being sent to the brain by various sensory organs is defined as
    • A. 

      Spatial disorientation

    • B. 

      Hyperventilation

    • C. 

      Hypoxia

  • 23. 
    What effect does haze have on the ability to see traffic or terrain features during flight?
    • A. 

      Haze causes the eyes to focus at infinity.

    • B. 

      The eyes tend to overwork in haze and do not detect relative movement easily.

    • C. 

      All traffic or terrain features appear to be farther away than their actual distance.

  • 24. 
    What preparation should a pilot make to adapt the eyes for night flying?
    • A. 

      Wear sunglasses after sunset until ready for flight.

    • B. 

      Avoid red light up to 30 minutes before the flight.

    • C. 

      Avoid bright white lights at least 30 minutes before the flight.

  • 25. 
    Hypoxia susceptibility due to inhalation of carbon monoxide increases as
    • A. 

      Humidity decreases.

    • B. 

      Altitude increases.

    • C. 

      Oxygen demand increases.

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