Electrical Cables The relative permittivity of rubber is Between 8 and 9 None of the listed here Between 2 and 3 Between 5 and 7 Between 8 and 9 None of the listed here Between 2 and 3 Between 5 and 7 ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Solid type cables are considered unreliable beyond 66 kV because Of corona loss between conductor and sheath material Skin effect dominates on the conductor Insulation may melt due to higher temperature There is a danger of breakdown of insulation due to the presence of voids Of corona loss between conductor and sheath material Skin effect dominates on the conductor Insulation may melt due to higher temperature There is a danger of breakdown of insulation due to the presence of voids ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The breakdown voltage of a cable depends on All of the listed here Presence of moisture Working temperature Time of application of the voltage All of the listed here Presence of moisture Working temperature Time of application of the voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become None of the listed here Four times Double One half None of the listed here Four times Double One half ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables for 220 kV lines are invariably Paper insulated Compressed oil or compressed gas insulated Mica insulated Rubber insulated Paper insulated Compressed oil or compressed gas insulated Mica insulated Rubber insulated ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The inter sheaths in the cables are used to Avoid the requirement of good insulation Provide proper stress distribution None of the listed here Minimize the stress Avoid the requirement of good insulation Provide proper stress distribution None of the listed here Minimize the stress ANSWER DOWNLOAD EXAMIANS APP