Gyroscopic Instrument Principles
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Questions and Answers

What is the principle behind rigidity in space for a gyroscope?

  • It wobbles in response to external movement.
  • It rotates freely without maintaining orientation.
  • It maintains a fixed position in the plane in which it is spinning. (correct)
  • It changes directions based on external forces.

    • What is the main function of an attitude indicator in a gyroscopic instrument?

  • Indicate the altitude of the aircraft.
  • Display the orientation of the aircraft relative to the horizon. (correct)
  • Measure the speed of the aircraft.
  • Calculate the distance covered by the aircraft.

    • What is precession in a gyroscope?

  • The spinning of the gyro on its axis.
  • The turning and tilting of a gyro in response to pressure. (correct)
  • The gyro maintaining its orientation.
  • The wobbling movement of the gyro.

    • Which instrument is a direction-seeking instrument in many airplanes and follows the magnetic north?

    <p>Magnetic compass</p> Signup and view all the answers

    What is variation with respect to compass errors?

    <p>The angular difference between true and magnetic poles at a given point.</p> Signup and view all the answers

    Which instrument is used to measure the temperature of the gases at the exhaust manifold?

    <p>Exhaust Gas Temperature Gauge</p> Signup and view all the answers

    What is one of the key components of a gyroscopic instrument that helps maintain aircraft stability?

    <p>Gyroscope</p> Signup and view all the answers

    What does the Manifold Pressure Gauge indicate?

    <p>Pressure of the fuel/air mixture in the engine intake manifold</p> Signup and view all the answers

    What is the main function of a Suction Gauge in an aircraft instrument panel?

    <p>Show pressure created by the vacuum pump</p> Signup and view all the answers

    Which gauge provides an indirect and delayed indication of rising engine temperature?

    <p>Oil Temperature Gauge</p> Signup and view all the answers

    In an EFIS system, what does EFIS stand for?

    <p>Electronic Flight Instrument System</p> Signup and view all the answers

    Which instrument displays the pressure of the fuel/air mixture in the engine intake manifold?

    <p>Manifold Pressure Gauge</p> Signup and view all the answers

    What is the main purpose of engine instruments in an aircraft?

    <p>To monitor the engine's health and performance</p> Signup and view all the answers

    In a compass, what causes magnetic dip?

    <p>The bar magnet being pulled by the earth's magnetic field</p> Signup and view all the answers

    What does the tachometer in an aircraft measure?

    <p>Revolutions per minute of the aircraft engine</p> Signup and view all the answers

    What does the oil pressure gauge indicate in an aircraft?

    <p>The oil supply to the engine in pounds per square inch (psi)</p> Signup and view all the answers

    What is the significance of green markings on a tachometer?

    <p>Normal operating range for RPM settings</p> Signup and view all the answers

    How does magnetic dip vary as you approach the equator?

    <p>It decreases</p> Signup and view all the answers

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