Power Systems For flat voltage profile system, voltage regulation is 0% 50% 100% any of the above 0% 50% 100% any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called coasting time. stopping time. settling time. damping time. coasting time. stopping time. settling time. damping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Asynchronous line both 1 and 2 Synchronous line No need of same frequency for exchange of power Asynchronous line both 1 and 2 Synchronous line No need of same frequency for exchange of power ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for unity power factor All of these leading power factor lagging power factor unity power factor All of these leading power factor lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona interference decreases All of these charging current increases power loss decreases interference decreases All of these charging current increases power loss decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 23.9 31.7 35.45 38.6 23.9 31.7 35.45 38.6 ANSWER DOWNLOAD EXAMIANS APP
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