Electrical Cables The advantage of oil filled cables is More perfect impregnation Smaller overall size All of the listed here No ionization, oxidation and formation of voids More perfect impregnation Smaller overall size All of the listed here No ionization, oxidation and formation of voids ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be 15 kV/mm 10 kV/mm 30 kV/mm 5 kV/mm 15 kV/mm 10 kV/mm 30 kV/mm 5 kV/mm 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 Double Four times None of the listed here One half Double Four times None of the listed here One half ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulating material for a cable should have High mechanical strength low cost All of the listed here High dielectric strength High mechanical strength low cost All of the listed here High dielectric strength ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Capacitance grading of cable implies Use of dielectrics of different permeabilities Grading according to capacitance of cables per km length Capacitance required to be introduced at different lengths to counter the effect of inductance Cables using single dielectric in different concentrations Use of dielectrics of different permeabilities Grading according to capacitance of cables per km length Capacitance required to be introduced at different lengths to counter the effect of inductance Cables using single dielectric in different concentrations ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Conduit pipes are normally used to protect ________ cables. All of the listed here Armoured Unsheathed cables PVC sheathed cables All of the listed here Armoured Unsheathed cables PVC sheathed cables ANSWER DOWNLOAD EXAMIANS APP
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