Electrical Cables The insulating material for cables should All of the listed here Be non-inflammable Be non-hygroscopic Be acid proof All of the listed here Be non-inflammable Be non-hygroscopic Be acid proof 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 One half Four times Double None of the listed here One half Four times Double None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables _________ cables are used for 132 kV lines. Extra high tension High tension Extra super voltage Super tension Extra high tension High tension Extra super voltage Super tension ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Dielectric strength of rubber is around 25 kV/mm 5 kV/mm 15 kV/mm 30 kV/mm 25 kV/mm 5 kV/mm 15 kV/mm 30 kV/mm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Capacitance grading of cable implies Grading according to capacitance of cables per km length Capacitance required to be introduced at different lengths to counter the effect of inductance Use of dielectrics of different permeabilities Cables using single dielectric in different concentrations Grading according to capacitance of cables per km length Capacitance required to be introduced at different lengths to counter the effect of inductance Use of dielectrics of different permeabilities Cables using single dielectric in different concentrations ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Solid type cables are considered unreliable beyond 66 kV because There is a danger of breakdown of insulation due to the presence of voids Skin effect dominates on the conductor Insulation may melt due to higher temperature Of corona loss between conductor and sheath material There is a danger of breakdown of insulation due to the presence of voids Skin effect dominates on the conductor Insulation may melt due to higher temperature Of corona loss between conductor and sheath material ANSWER DOWNLOAD EXAMIANS APP
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