Power Systems In a biased differential relay the bias is defined as the ratio of fault current and restraining coil current. operating coil current and restraining coil current. fault current and operating coil current. number of turns of restraining and operating coil. fault current and restraining coil current. operating coil current and restraining coil current. fault current and operating coil current. number of turns of restraining and operating coil. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The essential requirement(s) for power plants to be operated as peak load plants are Low capital cost. Capability of quick starts. Quick response to load variation. All of these Low capital cost. Capability of quick starts. Quick response to load variation. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because 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 both 1 and 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for All of these protection of equipment from ground faults measuring of safety voltage discharging residual energies All of these protection of equipment from ground faults measuring of safety voltage discharging residual energies ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by using large quantity of water. decreasing the load on the plant. burning large amount of coal. using high temperature and high pressure steam. using large quantity of water. decreasing the load on the plant. burning large amount of coal. using high temperature and high pressure steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? both 1 and 2 initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation both 1 and 2 initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation ANSWER DOWNLOAD EXAMIANS APP