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 Double None of the listed here One half Four times Double None of the listed here One half Four times ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables High tension cables are generally used up to 66 kV 33 kV 132 kV 11 kV 66 kV 33 kV 132 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In a cable, the maximum stress under operating conditions is at Insulation layer Armour Sheath Conductor surface Insulation layer Armour Sheath Conductor surface ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Pressure cables are generally not used beyond 66 kV 33 kV 11 kV 132 kV 66 kV 33 kV 11 kV 132 kV 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 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 Smaller dielectric loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables In capacitance grading of cables we use a _________ dielectric. Porous Composite Homogeneous Hygroscopic Porous Composite Homogeneous Hygroscopic ANSWER DOWNLOAD EXAMIANS APP