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 Of corona loss between conductor and sheath material Insulation may melt due to higher temperature There is a danger of breakdown of insulation due to the presence of voids Skin effect dominates on the conductor Of corona loss between conductor and sheath material Insulation may melt due to higher temperature ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In case of three core flexible cable the color of the neutral is Red Black Blue Brown Red Black Blue Brown ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The current carrying capacity of cables in D.C. is more than that in A.C. mainly due to Smaller dielectric loss None of the listed here Absence of harmonics Nonexistence of any stability limit Smaller dielectric loss None of the listed here Absence of harmonics Nonexistence of any stability limit 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 Which of the following insulation is used in cables? Rubber All of the listed here Varnished cambric Paper Rubber All of the listed here Varnished cambric Paper ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The thickness of metallic shielding on cables is usually 3 to 5 mm 0.2 to 0.4 mm 40 to 60 mm 0.04 mm 3 to 5 mm 0.2 to 0.4 mm 40 to 60 mm 0.04 mm ANSWER DOWNLOAD EXAMIANS APP
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