Assignment 2 Electrical Fundamental

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    UniKL-MIAT Sdn. Bhd.

    Name : .......Class : .... Date :

    Assignment # 2

    01. A filter which allow all frequencies from zero up to some value frequency cut-off

    (fc) and blocks all those above this value is known as

    . filter.

    02. A components that is designed to pass and block certain frequencies is known as

    03. A filter which block all frequencies from zero up to some value frequency cut-off

    (fc) and passes all frequencies above this value is known as

    . filter.

    04. A filter which passes frequencies between low cut-off frequency (fc1) and some

    high cut-off frequency (fc2) ; known as . filter.

    05. A filter that stops the transmission of frequencies between low cut-off frequency

    (fc1) and high cut-off frequency (fc2) ; known as

    filter.

    06. In a Band Pass filter the parallel resonance circuit is connected in

    .. to the load.

    07. In a Band Stop filter the parallel resonance circuit is connected in ..

    .. to the load.

    08. In a permanent magnet generator the induce voltage output depend on the and ....

    09. The disadvantage of using a permanent magnet generator is that the permanent

    magnet magnetic field ...

    10. In a rotating armature type ac generator, the field is on the ..

    and the coil (armature) is located on the

    11. In a rotating field type ac generator, the field is on the . and

    the coil (armature) is on the ..

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    12. The output voltage of rotating armature type ac generator is taken out from the

    . (location) while rotating field type from the

    .. (location)

    13. The output frequency of an ac generator depend on and

    14. In a rotating armature type three phase generator, there are

    slip ring and . carbon brush located on the rotor.

    15. In a rotating field type three phase generator, there are

    slip ring and . carbon brush located on the rotor.

    16. Frequency of an ac generator depend upon .. and

    ..

    17. An output of ac generator is rated as ..volts .. phase

    .. hertz.

    18. AC generator output from phase to neutral is known as ...

    voltage and from phase to phase is known as . voltage.

    19. There are two types of generator output connection, namely

    a. .. b. ..

    20. Initial field excitation for a rotating armature and rotating field type comes from

    21. Initial field excitation for ac brushless generator comes from

    22. The generator output is control and maintain at 115volt by the action of ............

    .. regardless of engine speed and load changes.

    23. An ac generator rotate at a speed of 12000 rpm with 6 poles will produce a

    frequency of hertz.

    24. When a three phase supply is applied to the stator winding of three phase

    induction motor, a rotating magnetic field created known as .

    .. speed.

    25. The rotor of three phase induction motor turns when a rotating magnetic field cut t

    the rotor bars by principle and known as

    ... speed.

    26. In a three phase induction motor, the . speed is always less than

    the . speed.

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    27. The difference between synchronous speed and rotor speed in three phase

    induction motor is known as . speed and expressed in

    28. To reversed the direction of rotation of a three phase induction motor is by....

    29. To reversed the direction of rotation of a two phase induction motor is by

    ....

    30. A motor which its synchronous speed is same as rotor speed is known as

    .. motor.

    31. To reversed the direction of rotation of a three phase synchronous motor is by

    ....

    32. To reversed the direction of rotation of the hysteresis motor is by

    ....

    33. The types of motor that cannot be reversed is the .

    motor.

    34. The speed of ac motors is govern by the input .....

    35. The synchronous speed (Ns) of a three phase induction motor is 4000 rpm while

    its rotor speed (Nr) is 3850 rpm, calculate its slip speed?

    36. If all the connection of a three phase induction motor being reversed, the effect of

    direction of rotation would be /in .. direction.

    37. A motor which is not self started is a motor.

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    UniKL-MIAT Sdn. Bhd.

    Name : .......Class : .... Date :

    Assignment # 2 (Answers)

    01. A filter which allow all frequencies from zero up to some value frequency cut-off

    (fc) and blocks all those above this value is known as

    . filter.

    02. A components that is designed to pass and block certain frequencies is known as

    03. A filter which block all frequencies from zero up to some value frequency cut-off

    (fc) and passes all frequencies above this value is known as

    . filter.

    04. A filter which passes frequencies between low cut-off frequency (fc1) and some

    high cut-off frequency (fc2) ; known as . filter.

    05. A filter that stops the transmission of frequencies between low cut-off frequency

    (fc1) and high cut-off frequency (fc2) ; known as

    filter.

    06. In a Band Pass filter the parallel resonance circuit is connected in

    .. to the load.

    07. In a Band Stop filter the parallel resonance circuit is connected in ..

    .. to the load.

    08. In a permanent magnet generator the induce voltage output depend on the and ....

    09. The disadvantage of using a permanent magnet generator is that the permanent

    magnet magnetic field ...

    10. In a rotating armature type ac generator, the field is on the ..

    and the coil (armature) is located on the

    11. In a rotating field type ac generator, the field is on the . and

    the coil (armature) is on the ..

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    12. The output voltage of rotating armature type ac generator is taken out from the

    . (location) while rotating field type from the

    .. (location)

    13. The output frequency of an ac generator depend on and

    14. In a rotating armature type three phase generator, there are

    slip ring and . carbon brush located on the rotor.

    15. In a rotating field type three phase generator, there are

    slip ring and . carbon brush located on the rotor.

    16. Frequency of an ac generator depend upon .. and

    ..

    17. An output of ac generator is rated as ..volts .. phase

    .. hertz.

    18. AC generator output from phase to neutral is known as ...

    voltage and from phase to phase is known as . voltage.

    19. There are two types of generator output connection, namely

    a. .. b. ..

    20. Initial field excitation for a rotating armature and rotating field type comes from

    21. Initial field excitation for ac brushless generator comes from

    22. The generator output is control and maintain at 115volt by the action of ............

    .. regardless of engine speed and load changes.

    23. An ac generator rotate at a speed of 12000 rpm with 6 poles will produce a

    frequency of hertz.

    24. When a three phase supply is applied to the stator winding of three phase

    induction motor, a rotating magnetic field created known as .

    .. speed.

    25. The rotor of three phase induction motor turns when a rotating magnetic field cut t

    the rotor bars by principle and known as

    ... speed.

    26. In a three phase induction motor, the . speed is always less than

    the . speed.

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