Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 450 250 500 900 450 250 500 900 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for less surge impedance proper discharging of lighting surges more surge impedance reduce losses less surge impedance proper discharging of lighting surges more surge impedance reduce losses ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when frequency decrease All of these resistivity decrease diameter decrease frequency decrease All of these resistivity decrease diameter decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 6. 16. 24. 12. 6. 16. 24. 12. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? switching over voltage radio interference skin effect lighting voltage switching over voltage radio interference skin effect lighting voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. After shunt compensation surge impedance loading will decreases increases None of these remains unaffected decreases increases None of these remains unaffected ANSWER DOWNLOAD EXAMIANS APP