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CHAPTER8E P858-862
  • Dorian Pinuellas

  • 問題数 30 • 4/16/2024

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    問題一覧

  • 1

    Aircraft engines are required to have dual ignition. (true or false) _______.

    TRUE

  • 2

    A magneto is actually a self-contained ______________ (alternating or direct) current generator.

    Alternating

  • 3

    Currently manufactured, certificated, reciprocating engines will use the ___________ (high- or low-) tension magneto ignition.

    High

  • 4

    What kind of magneto ignition system was developed to prevent high voltage breakdown in the distributor when the aircraft is flying at high altitudes? ___________-__________

    low tension

  • 5

    Dual magnetos contain two separate and independent systems but share the following components: a. ______________ b. ______________ c. ______________

    Housing, Rotating magnet, Cam

  • 6

    The four basic systems in a rotating-magnet magneto are: a. ______________ b. ______________ c. ______________ d. ______________

    Mechanical, Magnetic, Primary Electrical, Secondary Electrical

  • 7

    An 18-cylinder radial engine using a low-tension magneto ignition system will have __________ (how many) high-tension transformers.

    36

  • 8

    Two methods of mounting a magneto to an aircraft engine are by: a. ______________ b. ______________

    Base mount, Flange mount

  • 9

    The pole shoes in a magneto are made of __________________ __________.

    laminated steel

  • 10

    When the magnet is in its full-register position, the __________ (maximum or minimum) number of lines of magnetic flux are passing through the coil core.

    Maximum

  • 11

    The greatest change in the number of lines of magnetic flux in the coil core takes place when the magnet is in its _______________ (neutral or full-register) position.

    Neutral

  • 12

    The magnetic field produced by current flowing in the primary coil __________ (opposes or aids) the magnetic field that caused it to flow.

    Opposes

  • 13

    Because of the magnetic field produced by the primary current, the greatest change in the total magnetic flux occurs __________ (before or after) the magnet passes its neutral position.

    after

  • 14

    The breaker points in a magneto are closed when the rotating magnet is in its ______________ (neutral or full-register) position.

    full-register

  • 15

    The point at which the breaker points open is called the __________ angle.

    E-gap

  • 16

    Two functions of a capacitor in a modern magneto are: a. To minimize ________________. For this function the capacitor is in parallel with the breaker points. b. To minimize ________________ ________________. For this function the capacitor is in series between the brake points and the ignition switch.

    point arcing, electromagnetic radiation

  • 17

    The high-tension magneto uses a ________________ (built-in or separate) distributor.

    built-in

  • 18

    Which winding in a magneto coil has the greater number of turns, the primary or the secondary winding? ________________

    Secondary

  • 19

    The distributor in a magneto is in the ________________ (primary or secondary) electrical circuit.

    seconday

  • 20

    The vast majority of four- and six-cylinder horizontally opposed engines use a/an ________________ (what system) to produce a hot and late spark for starting.

    impulse coupling

  • 21

    Magnetos have the problem of not producing a hot enough spark when they turn too___________ (fast or slow).

    slow

  • 22

    Four methods of providing a hot spark for starting an aircraft engine are: a. ________________ b. ________________ c. ________________ d. ________________

    booster magneto, induction vibrator, shower of sparks system, impulse coupling

  • 23

    The Bendix ________________ (what system) is a modern version of the induction vibrator.

    shower of sparks

  • 24

    The extra set of breaker points used with the “shower of sparks” system are referred to as the ________ points.

    retard

  • 25

    On an engine equipped with the “shower of sparks” system, the ________ (left or right) magneto is of standard construction.

    right

  • 26

    An engine equipped with the “shower of sparks” system will use only the ________ (left or right) magneto for starting.

    left

  • 27

    The “shower of sparks” will jump across the spark plug only as long as which conditions exist? (A, B, or C) A. The retard points are open. B. The advance points are open. C. Both sets of points are open.

    c

  • 28

    The rotating magnet in a Slick Electro magneto is in its ____________ (neutral, full-register, or E-gap) position when the timing pin can slip through the hole in the housing and the hole in the rotating magnet shaft.

    E-gap

  • 29

    You can be sure that the breaker points will close at the correct position of the rotating magnet if their ________ ________ is correct.

    maximum opening

  • 30

    Magneto-to-engine timing is accomplished using the firing position of cylinder number _________ (which cylinder) as the reference.

    1