Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? DC shunt motor Three phase synchronous motor Three phase induction motor DC series motor DC shunt motor Three phase synchronous motor Three phase induction motor DC series motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is all of above. the height of water level in the river where the tail race is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the storage is provided. all of above. the height of water level in the river where the tail race is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the storage is provided. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because nether 1 nor 2 short circuit currents are much larger than load currents short circuit currents are greatly out of phase with load currents both 1 and 2 nether 1 nor 2 short circuit currents are much larger than load currents short circuit currents are greatly out of phase with load currents both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have zero power factor unity power factor 0.707 lagging power factor 0.707 leading power factor zero power factor unity power factor 0.707 lagging power factor 0.707 leading power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 5 MW 9 MW 10 MW 18 MW 5 MW 9 MW 10 MW 18 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 15. 25. 50. 10. 15. 25. 50. 10. ANSWER DOWNLOAD EXAMIANS APP
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