Electrical Cables Solid type cables are considered unreliable beyond 66 kV because Of corona loss between conductor and sheath material Insulation may melt due to higher temperature Skin effect dominates on the conductor There is a danger of breakdown of insulation due to the presence of voids Of corona loss between conductor and sheath material Insulation may melt due to higher temperature Skin effect dominates on the conductor There is a danger of breakdown of insulation due to the presence of voids ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be 20 cm 100 cm 50 cm 30 cm 20 cm 100 cm 50 cm 30 cm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The breakdown voltage of a cable depends on All of the listed here Working temperature Time of application of the voltage Presence of moisture All of the listed here Working temperature Time of application of the voltage Presence of moisture ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Underground cables are laid at sufficient depth To minimize temperature stresses To minimize the effect of shocks and vibrations due to gassing vehicles, etc. All of the listed here To avoid being unearthed easily due to removal of soil To minimize temperature stresses To minimize the effect of shocks and vibrations due to gassing vehicles, etc. All of the listed here To avoid being unearthed easily due to removal of soil ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If the length of a cable is doubled, its capacitance Becomes one-half Becomes one-fourth None of the listed here Becomes double Becomes one-half Becomes one-fourth None of the listed here Becomes double ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The relative permittivity of rubber is Between 5 and 7 Between 8 and 9 Between 2 and 3 None of the listed here Between 5 and 7 Between 8 and 9 Between 2 and 3 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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