Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 1. 10. un changed. 5. 1. 10. un changed. 5. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 7th harmonic current. 5th harmonic current. 2nd harmonic current. 3rd harmonic current. 7th harmonic current. 5th harmonic current. 2nd harmonic current. 3rd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Half life is defined as the time required to spiliting of a heavy nucleus. the time required for full of atoms in a specimen disintegrate. the time required for one half of isotope to decay. none of above. the time required to spiliting of a heavy nucleus. the time required for full of atoms in a specimen disintegrate. the time required for one half of isotope to decay. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is N-R method All of these Decoupled method G-S method N-R method All of these Decoupled method G-S method 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 ? both 1 and 2 No need of same frequency for exchange of power Asynchronous line Synchronous line both 1 and 2 No need of same frequency for exchange of power Asynchronous line Synchronous line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Binary vapor cycle are used for increasing the turbine efficiency. All of these improving the condenser performance. improving the plant efficiency. increasing the turbine efficiency. All of these improving the condenser performance. improving the plant efficiency. ANSWER DOWNLOAD EXAMIANS APP
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