Power Systems Which of the following statements is/are true? Corona is reduced by All of these increasing the distance between the conductor decreasing the supply frequency increasing the radius of the conductor All of these increasing the distance between the conductor decreasing the supply frequency increasing the radius of the conductor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are fault bus protection. both fault bus and differential protection. differential protection. none of these. fault bus protection. both fault bus and differential protection. differential protection. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? isolated grounding reactance grounding All of these resistance grounding isolated grounding reactance grounding All of these resistance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 90° 45° 36° 42° 90° 45° 36° 42° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Thermal shielding is provided to protected the operating personal from exposure to radiations. prevent the reactor wall from getting heated. absorb the fast neutron. All of these protected the operating personal from exposure to radiations. prevent the reactor wall from getting heated. absorb the fast neutron. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of fault current and operating coil current. fault current and restraining coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and operating coil current. fault current and restraining coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. ANSWER DOWNLOAD EXAMIANS APP
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