Electrical Cables Solid type cables are considered unreliable beyond 66 kV because There is a danger of breakdown of insulation due to the presence of voids Skin effect dominates on the conductor Of corona loss between conductor and sheath material Insulation may melt due to higher temperature There is a danger of breakdown of insulation due to the presence of voids Skin effect dominates on the conductor Of corona loss between conductor and sheath material Insulation may melt due to higher temperature ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Low tension cables are generally used up to 600 V 1000 V 400 V 200 V 600 V 1000 V 400 V 200 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 A cable carrying alternating current has Hysteresis, leakage, copper and friction losses Hysteresis losses only Hysteresis and leakage losses only Hysteresis, leakage and copper losses only Hysteresis, leakage, copper and friction losses Hysteresis losses only Hysteresis and leakage losses only Hysteresis, leakage and copper losses only ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The relative permittivity of rubber is Between 2 and 3 Between 5 and 7 Between 8 and 9 None of the listed here Between 2 and 3 Between 5 and 7 Between 8 and 9 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables The surge resistance of cable is 100 ohms 5 ohms 500 ohms 50 ohms 100 ohms 5 ohms 500 ohms 50 ohms ANSWER DOWNLOAD EXAMIANS APP