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15問 • 1年前
  • Guevara Official
    • 通報

    問題一覧

  • 1

    A high-pass filter's will allow frequency :

    above a certain value

  • 2

    Parallel resonant is known as :

    rejecter circuit because it rejects high current at the resonance

  • 3

    The diagram is bellow an example of a :

    low-pass filter

  • 4

    Another name for band-stop filters :

    notch filters

  • 5

    Low pass filter and High pass filter connected in series called:

    band pass filter

  • 6

    A circuit designed to perform frequency selection is called :

    filter

  • 7

    The main advantage of star generator over a delta wound generator is the

    three phases are equally loaded automatically

  • 8

    The frequency of an alternator is depending on:

    RPM

  • 9

    A 4-pole, 1800 RPM generator has a frequency of :

    60Hz

  • 10

    The rating of an AC generator :

    KVA

  • 11

    In a Y wound generator the voltage in a single phase is :

    less than the total of all 3

  • 12

    The phase shift between three phases :

    120 degree

  • 13

    An aircraft generator is supplying 120kva at a power factor 0.75 lagging. How much real power is supplying Active power = apparent power x power factor = 120

    x0.75 = 90kw

  • 14

    4 pole of a generator with frequency of 400Hz the RPM is :

    12,000 rpm

  • 15

    In an AC generator sub-exciter we use

    a permanent magnet

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    問題一覧

  • 1

    A high-pass filter's will allow frequency :

    above a certain value

  • 2

    Parallel resonant is known as :

    rejecter circuit because it rejects high current at the resonance

  • 3

    The diagram is bellow an example of a :

    low-pass filter

  • 4

    Another name for band-stop filters :

    notch filters

  • 5

    Low pass filter and High pass filter connected in series called:

    band pass filter

  • 6

    A circuit designed to perform frequency selection is called :

    filter

  • 7

    The main advantage of star generator over a delta wound generator is the

    three phases are equally loaded automatically

  • 8

    The frequency of an alternator is depending on:

    RPM

  • 9

    A 4-pole, 1800 RPM generator has a frequency of :

    60Hz

  • 10

    The rating of an AC generator :

    KVA

  • 11

    In a Y wound generator the voltage in a single phase is :

    less than the total of all 3

  • 12

    The phase shift between three phases :

    120 degree

  • 13

    An aircraft generator is supplying 120kva at a power factor 0.75 lagging. How much real power is supplying Active power = apparent power x power factor = 120

    x0.75 = 90kw

  • 14

    4 pole of a generator with frequency of 400Hz the RPM is :

    12,000 rpm

  • 15

    In an AC generator sub-exciter we use

    a permanent magnet