Electrical Cables Capacitance grading of cable implies Cables using single dielectric in different concentrations Grading according to capacitance of cables per km length Use of dielectrics of different permeabilities Capacitance required to be introduced at different lengths to counter the effect of inductance Cables using single dielectric in different concentrations Grading according to capacitance of cables per km length Use of dielectrics of different permeabilities Capacitance required to be introduced at different lengths to counter the effect of inductance ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In single core cables armouring is not done to Avoid excessive sheath losses Either of the listed here Make it flexible None of the listed here Avoid excessive sheath losses Either of the listed here Make it flexible None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Which of the following protects a cable against mechanical injury? None of the listed here Sheath Armouring Bedding None of the listed here Sheath Armouring Bedding ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of metallic shielding on cables is usually 3 to 5 mm 40 to 60 mm 0.2 to 0.4 mm 0.04 mm 3 to 5 mm 40 to 60 mm 0.2 to 0.4 mm 0.04 mm 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 Insulation may melt due to higher temperature Skin effect dominates on the conductor Of corona loss between conductor and sheath material There is a danger of breakdown of insulation due to the presence of voids Insulation may melt due to higher temperature Skin effect dominates on the conductor Of corona loss between conductor and sheath material 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 Double Four times None of the listed here One half Double Four times None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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