Electrical Cables The advantage of oil filled cables is All of the listed here No ionization, oxidation and formation of voids Smaller overall size More perfect impregnation All of the listed here No ionization, oxidation and formation of voids Smaller overall size More perfect impregnation ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulating material for a cable should have High mechanical strength High dielectric strength low cost All of the listed here High mechanical strength High dielectric strength low cost All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The electrostatic stress in underground cables is Same at the conductor and the sheath Zero at the conductor as well as on the sheath Minimum at the conductor and maximum at the sheath Maximum at the conductor and minimum at the sheath Same at the conductor and the sheath Zero at the conductor as well as on the sheath Minimum at the conductor and maximum at the sheath Maximum at the conductor and minimum at the sheath ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The disadvantage with paper as insulating material is None of the listed here It is hygroscopic It has high capacitance It is an organic material None of the listed here It is hygroscopic It has high capacitance It is an organic material ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Capacitance grading of cable implies Use of dielectrics of different permeabilities Capacitance required to be introduced at different lengths to counter the effect of inductance Grading according to capacitance of cables per km length Cables using single dielectric in different concentrations Use of dielectrics of different permeabilities Capacitance required to be introduced at different lengths to counter the effect of inductance Grading according to capacitance of cables per km length Cables using single dielectric in different concentrations 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 0.04 mm 40 to 60 mm 3 to 5 mm 0.2 to 0.4 mm 0.04 mm 40 to 60 mm ANSWER DOWNLOAD EXAMIANS APP
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