Electrical Cables The breakdown of insulation of the cable can be avoided economically by the use of Inter-sheaths Both Inter-sheaths and Insulating materials with different dielectric constants None of the listed here Insulating materials with different dielectric constants Inter-sheaths Both Inter-sheaths and Insulating materials with different dielectric constants None of the listed here Insulating materials with different dielectric constants ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Capacitance grading of cable implies Cables using single dielectric in different concentrations Capacitance required to be introduced at different lengths to counter the effect of inductance Grading according to capacitance of cables per km length Use of dielectrics of different permeabilities Cables using single dielectric in different concentrations Capacitance required to be introduced at different lengths to counter the effect of inductance Grading according to capacitance of cables per km length Use of dielectrics of different permeabilities ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The insulating material for a cable should have All of the listed here High mechanical strength High dielectric strength low cost All of the listed here High mechanical strength High dielectric strength low cost ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The surge resistance of cable is 50 ohms 500 ohms 5 ohms 100 ohms 50 ohms 500 ohms 5 ohms 100 ohms 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
Electrical Cables Solid type cables are considered unreliable beyond 66 kV because Skin effect dominates on the conductor There is a danger of breakdown of insulation due to the presence of voids Insulation may melt due to higher temperature Of corona loss between conductor and sheath material Skin effect dominates on the conductor There is a danger of breakdown of insulation due to the presence of voids Insulation may melt due to higher temperature Of corona loss between conductor and sheath material ANSWER DOWNLOAD EXAMIANS APP