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

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

   A. Homogeneous

   B. Composite

   C. All of the above

   D. None of the above

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

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

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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