Cable Multiple Choice Questions and Answers


31.  if the length of a cable is doubled its capacitance is


   A. Doubled

   B. Halved

   C. Quadrupled

   D.None of the above


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B. Doubled

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32.  In capacitance grading of cables we use.............dielectric


   A. Homogeneous

   B. Composite

   C. All of the above

   D. None of the above


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B. Composite

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33.  Capacitance grinding of Cable means


   A. Use of dielectrics in different concentrations

   B. Introduction of capacitance at various levels of cable to counter the effect of inductance

   C. Use of dielectric of different permittivities

   D. grading according to capacitance per I'm length of the cable


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C. Use of dielectric of different permittivitie

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34.  Grading of cables


   A. Reduces insulation cost and increases current rating

   B. Reduces insulation cost but decreases current rating

   C. Increases both

   D. Either A or B

   E.None of the above


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A. Reduces insulation cost and increases current rating

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35.  In a cable the maximum stress under operating conditions is at


   A. Insulation layer

   B. Sheath

   C. Armour

   D. Conductor surface


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D. Conductor surface

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