Electrical Engineer (Qatar Exam) Test-3

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Qatar engineering registration exam preparation

  • 1
    In an induction motor, no load the slip is generally:
  • 2
    Minimum voltage regulation occurs when the power factor of the load is:
  • 3
    In medium sized induction motors, the slip is generally around:

  • 4
    If an alternator is over excited:
  • 5
    The input impedance of cascade amplifier will:
  • 6
    Rotor of Induction motor is rotating at synchronous speed. What is Torque?

  • 7
    What does the power factor stand for?
  • 8
    What is the minimum gauge size of the earthing cable?
  • 9
    To get rid of DC offset use?
  • 10
    For forward biasing:

  • 11
    Transformer resistivity:
  • 12
    Amplifier working with good gain in:
  • 13
    What is MOSFET?
  • 14
    To minimize loading effect use?
  • 15
    Alternator connected on no load condition, what affect the efficiency?
  • 16
    Transformer saturation:

  • 17
    What will be the output impedance of cascade amplifier to minimizes the loading effect?
  • 18
    Uninterruptible Power System has to be connected to the network by:
  • 19
    What is the purpose for the neutral line at the 3-phase power system?
  • 20
    An engineer received new scope of work which is not included at the original scope, what the action he has to do?

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