Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 78% 82% 80% 76% 78% 82% 80% 76% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as All of these carona skin effect proximity effect All of these carona skin effect proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 9.81 kW 19.60 kW 4.45 kW 2.90 kW 9.81 kW 19.60 kW 4.45 kW 2.90 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? triangular configuration horizontal configuration None of these same in both configuration triangular configuration horizontal configuration None of these same in both configuration ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reator thermal energy is obtained from fission of radioactive material. burning of fuel rods in oxygen. all of above. fusion of radioactive material. fission of radioactive material. burning of fuel rods in oxygen. all of above. fusion of radioactive material. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Air blast CB Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP