Cable Multiple Choice Questions and Answers

21.  Copper as conductor for cables is used as

   A.Annealed

   B.Hardened and tempered

   C.Hard drawn

   D.alloy with chromium

22.  The breakdown voltage of a cable depends on

   A. Presence of moisture

   B. Working temperature

   C. Time of application of the voltage

   D. All of the above

23.  A cable carrying alternating-current has

   A. Hysteresis losses only

   B. Hysteresis and leakage losses only

   C. Hysteresis, leakage and copper losses only

   D. Hysteresis, leakage, copper and friction losses

24.  The inter-sheets in the cables are used to

   A.Minimise the stress

   B. Avoid the requirement of good insulation

   C. Provide proper stress distribution

   D.Any of the above

   E.None of the above

25.  in the cables sheaths are used to

   A. Prevent the moisture entering the cable

   B. Provide enough strength

   C. Provide enough insulation

   D. None of the above

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