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 Four times One half None of the listed here Double Four times One half None of the listed here Double 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 Absence of harmonics Nonexistence of any stability limit None of the listed here Smaller dielectric loss Absence of harmonics Nonexistence of any stability limit None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Is a cable is to be designed for use on 1000 kV, which insulation would you prefer ? Vulcanised rubber Polyvinyle chloride Impregnated paper Compressed SF6 gas Vulcanised rubber Polyvinyle chloride Impregnated paper Compressed SF6 gas ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Low tension cables are generally used up to 600 V 200 V 400 V 1000 V 600 V 200 V 400 V 1000 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Underground cables are laid at sufficient depth 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 To minimize temperature stresses ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The relative permittivity of rubber is Between 2 and 3 Between 8 and 9 None of the listed here Between 5 and 7 Between 2 and 3 Between 8 and 9 None of the listed here Between 5 and 7 ANSWER DOWNLOAD EXAMIANS APP
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