Screened cables are
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Cables can be classified according to
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Which of the following cable is used for voltage up to 11kV?
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Which of the following is drawback of VIR?
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Varnished cambric is
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What are the major drawback of pure rubber?
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If the insulating material is hygroscopic, it must be
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VIR is prepared by mixing pure rubber with
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Which of the following properties should have the insulating materials used in cables?
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The resistivity of rubber insulation is about
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Dielectric strength of rubber is about
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Why dielectric strength of insulating materials should be high?
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