Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 56 %. 14 %. None of above 28 %. 56 %. 14 %. None of above 28 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An impulse turbine makes use of a draft tube. is most suited for low head and high discharge power plants. operates by initial complete conversion to kinetic energy. always operates submerged. makes use of a draft tube. is most suited for low head and high discharge power plants. operates by initial complete conversion to kinetic energy. always operates submerged. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for nether 1 nor 2 both 1 and 2 protection of a transformer against all internal faults protection of a transformer against all external faults nether 1 nor 2 both 1 and 2 protection of a transformer against all internal faults protection of a transformer against all external faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems Switchgear equipment include all of these. switches. relays and CB. fuses. all of these. switches. relays and CB. fuses. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 45 kA. 35 kA. 50 kA. 55 kA. 45 kA. 35 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a null matrix sparse matrix full matrix unit matrix null matrix sparse matrix full matrix unit matrix ANSWER DOWNLOAD EXAMIANS APP
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