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mod 3 3.16 - 3.17 - 3.18
27問 • 11ヶ月前
  • Yousef Alshammary
    • 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

  • 14

    Active power = apparent power x power factor = 120 x0.75

    90kw

  • 15

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

    12,000 rpm

  • 16

    In an AC generator sub-exciter we use

    a permanent magnet

  • 17

    An AC motor rotates at the same speed as the supply frequency

    Synchronous motor

  • 18

    In a 2 phase motor the phases are electrically at

    90 degrees from each other

  • 19

    The poor starting torque of a three induction motor can be improved

    increasing the rotor resistance to increase the power factor toward unity

  • 20

    The synchronous speed a 8-pole motor, built to operate on 400 hertz.115 VAC

    6000RPM

  • 21

    What NP stands for in the following formula RPM = 120*frequency/NP

    number of poles

  • 22

    An AC motor to find out the polarity of coil we use

    left hand rule

  • 23

    The advantage in the used of AC motor besides the wide availability of AC power is

    lest cost

  • 24

    To change the direction of the three phase induction motor

    swap two of the stator connections

  • 25

    The phases in supply 2 phases motor are electrically

    90 degrees apart from each other

  • 26

    Majority of the motors used throughout the aircraft are design to operate on

    AC

  • 27

    A three phase actuator is often controlled by changeover contactor

    reversing two of the three-phases allowing it to operate in both direction

    • mod 3 3.1 - 3.2 - 3.3

    mod 3 3.1 - 3.2 - 3.3

    Yousef Alshammary · 24問 · 12ヶ月前

    mod 3 3.1 - 3.2 - 3.3

    mod 3 3.1 - 3.2 - 3.3

    24問 • 12ヶ月前
    Yousef Alshammary

    mod 3 3.4 - 3.5 - 3.6

    mod 3 3.4 - 3.5 - 3.6

    Yousef Alshammary · 39問 · 12ヶ月前

    mod 3 3.4 - 3.5 - 3.6

    mod 3 3.4 - 3.5 - 3.6

    39問 • 12ヶ月前
    Yousef Alshammary

    mod 3 3.7 - 3.8 - 3.9

    mod 3 3.7 - 3.8 - 3.9

    Yousef Alshammary · 38問 · 11ヶ月前

    mod 3 3.7 - 3.8 - 3.9

    mod 3 3.7 - 3.8 - 3.9

    38問 • 11ヶ月前
    Yousef Alshammary

    mod 3 3.10 - 3.11 - 3.12

    mod 3 3.10 - 3.11 - 3.12

    Yousef Alshammary · 41問 · 11ヶ月前

    mod 3 3.10 - 3.11 - 3.12

    mod 3 3.10 - 3.11 - 3.12

    41問 • 11ヶ月前
    Yousef Alshammary

    mod 3 3.13 - 3.14 - 3.15

    mod 3 3.13 - 3.14 - 3.15

    Yousef Alshammary · 39問 · 11ヶ月前

    mod 3 3.13 - 3.14 - 3.15

    mod 3 3.13 - 3.14 - 3.15

    39問 • 11ヶ月前
    Yousef Alshammary

    mod 5 5.1 - EFIS - DAC - A429 - A629 - AND - NAND

    mod 5 5.1 - EFIS - DAC - A429 - A629 - AND - NAND

    Yousef Alshammary · 34問 · 11ヶ月前

    mod 5 5.1 - EFIS - DAC - A429 - A629 - AND - NAND

    mod 5 5.1 - EFIS - DAC - A429 - A629 - AND - NAND

    34問 • 11ヶ月前
    Yousef Alshammary

    mod 5 OR - Buses - Buf Reg - 5.10 - RL - Basic

    mod 5 OR - Buses - Buf Reg - 5.10 - RL - Basic

    Yousef Alshammary · 29問 · 11ヶ月前

    mod 5 OR - Buses - Buf Reg - 5.10 - RL - Basic

    mod 5 OR - Buses - Buf Reg - 5.10 - RL - Basic

    29問 • 11ヶ月前
    Yousef Alshammary

    mod 5 Single - multimund - optical - 5.11 - LCD - 5.12 - PCB - 5.13

    mod 5 Single - multimund - optical - 5.11 - LCD - 5.12 - PCB - 5.13

    Yousef Alshammary · 38問 · 11ヶ月前

    mod 5 Single - multimund - optical - 5.11 - LCD - 5.12 - PCB - 5.13

    mod 5 Single - multimund - optical - 5.11 - LCD - 5.12 - PCB - 5.13

    38問 • 11ヶ月前
    Yousef Alshammary

    mod 5 Safety - software - 5.14 - HIRF - HIRF EMI

    mod 5 Safety - software - 5.14 - HIRF - HIRF EMI

    Yousef Alshammary · 26問 · 11ヶ月前

    mod 5 Safety - software - 5.14 - HIRF - HIRF EMI

    mod 5 Safety - software - 5.14 - HIRF - HIRF EMI

    26問 • 11ヶ月前
    Yousef Alshammary

    mod 5 5.15

    mod 5 5.15

    Yousef Alshammary · 25問 · 11ヶ月前

    mod 5 5.15

    mod 5 5.15

    25問 • 11ヶ月前
    Yousef Alshammary

    mod 5 Numbering System

    mod 5 Numbering System

    Yousef Alshammary · 16問 · 11ヶ月前

    mod 5 Numbering System

    mod 5 Numbering System

    16問 • 11ヶ月前
    Yousef Alshammary

    7.1

    7.1

    Yousef Alshammary · 18問 · 11ヶ月前

    7.1

    7.1

    18問 • 11ヶ月前
    Yousef Alshammary

    7.2

    7.2

    Yousef Alshammary · 11問 · 11ヶ月前

    7.2

    7.2

    11問 • 11ヶ月前
    Yousef Alshammary

    7.3 - 7.4

    7.3 - 7.4

    Yousef Alshammary · 32問 · 11ヶ月前

    7.3 - 7.4

    7.3 - 7.4

    32問 • 11ヶ月前
    Yousef Alshammary

    7.5

    7.5

    Yousef Alshammary · 9問 · 11ヶ月前

    7.5

    7.5

    9問 • 11ヶ月前
    Yousef Alshammary

    7.6 - 7.8

    7.6 - 7.8

    Yousef Alshammary · 8問 · 11ヶ月前

    7.6 - 7.8

    7.6 - 7.8

    8問 • 11ヶ月前
    Yousef Alshammary

    7.9

    7.9

    Yousef Alshammary · 10問 · 11ヶ月前

    7.9

    7.9

    10問 • 11ヶ月前
    Yousef Alshammary

    7.10

    7.10

    Yousef Alshammary · 12問 · 11ヶ月前

    7.10

    7.10

    12問 • 11ヶ月前
    Yousef Alshammary

    7.11

    7.11

    Yousef Alshammary · 7問 · 11ヶ月前

    7.11

    7.11

    7問 • 11ヶ月前
    Yousef Alshammary

    6.3

    6.3

    Yousef Alshammary · 46問 · 11ヶ月前

    6.3

    6.3

    46問 • 11ヶ月前
    Yousef Alshammary

    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

  • 14

    Active power = apparent power x power factor = 120 x0.75

    90kw

  • 15

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

    12,000 rpm

  • 16

    In an AC generator sub-exciter we use

    a permanent magnet

  • 17

    An AC motor rotates at the same speed as the supply frequency

    Synchronous motor

  • 18

    In a 2 phase motor the phases are electrically at

    90 degrees from each other

  • 19

    The poor starting torque of a three induction motor can be improved

    increasing the rotor resistance to increase the power factor toward unity

  • 20

    The synchronous speed a 8-pole motor, built to operate on 400 hertz.115 VAC

    6000RPM

  • 21

    What NP stands for in the following formula RPM = 120*frequency/NP

    number of poles

  • 22

    An AC motor to find out the polarity of coil we use

    left hand rule

  • 23

    The advantage in the used of AC motor besides the wide availability of AC power is

    lest cost

  • 24

    To change the direction of the three phase induction motor

    swap two of the stator connections

  • 25

    The phases in supply 2 phases motor are electrically

    90 degrees apart from each other

  • 26

    Majority of the motors used throughout the aircraft are design to operate on

    AC

  • 27

    A three phase actuator is often controlled by changeover contactor

    reversing two of the three-phases allowing it to operate in both direction