Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 21 10 20 13 21 10 20 13 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because both 1 and 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents nether 1 nor 2 both 1 and 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant Francis. None of above. Kaplan. Pelton. Francis. None of above. Kaplan. Pelton. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to increase the sag reduce the tension All of these reduce the vibrations at the point of support increase the sag reduce the tension All of these reduce the vibrations at the point of support ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the line capacitance None of these decreases remains unaffected increases None of these decreases remains unaffected increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Temperature Short circuit any of the above Over load Temperature Short circuit any of the above Over load ANSWER DOWNLOAD EXAMIANS APP
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