GETCO Exam Paper (11-06-2017)
The lead sheath of the cable may get damaged due to

crystallisation of lead through vibrations
any one
chemical action with impurities present in the soil when buried in earth
mechanically injury

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GETCO Exam Paper (11-06-2017)
If the separation between the three phases of a transmission line is increased then

the inductance will increase and the capacitance will decrease
the inductance will decrease and the capacitance will increase
both the inductance and capacitance will increase
the inductance will increase and capacitance will remain unchanged

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