Power Systems Steady state stability of a power system is improved by decreasing generator inertia All of these single pole switching using double circuit line instead of single circuit line decreasing generator inertia All of these single pole switching using double circuit line instead of single circuit line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona charging current increases interference decreases All of these power loss decreases charging current increases interference decreases All of these power loss decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? cylindrical rotor either of these salient pole rotor squirrel cage rotor cylindrical rotor either of these salient pole rotor squirrel cage rotor ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 10 A 12.5 A 15 A 6.25 A 10 A 12.5 A 15 A 6.25 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 40 Ω 28 Ω 52 Ω 33 Ω 40 Ω 28 Ω 52 Ω 33 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? star-star star-delta delta-star delta-delta star-star star-delta delta-star delta-delta ANSWER DOWNLOAD EXAMIANS APP