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High Voltage - High Voltage
  1. Impulse testing of transformers is done to determine the ability of
    2. A.
    bushings to withstand vibration
    B.
    insulation to withstand transient voltages
    C.
    windings to withstand voltage fluctuations
    D.
    all of the above

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  2. Insulators for high voltage applications are tested for
    3. A.
    power frequency tests
    B.
    impulse tests
    C.
    both (A) and (B) above
    D.
    none of the above

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  3. Moles bridge is used to measure
    4. A.
    properties of dielectric at dc
    B.
    dispersion in insulation
    C.
    high frequency high voltages
    D.
    modulation ratio frequencies

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  4. Switching surge is
    5. A.
    high voltage dc
    B.
    high voltage ac
    C.
    short duration transient voltage
    D.
    hyperbolically dying voltage

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