Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 3rd harmonic current. 7th harmonic current. 2nd harmonic current. 5th harmonic current. 3rd harmonic current. 7th harmonic current. 2nd harmonic current. 5th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 60 %. 80 %. 40 %. 30 %. 60 %. 80 %. 40 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? -0.56 -0.92 0.56 0.92 -0.56 -0.92 0.56 0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Radio interference occur in telecommunication line due to both 1 and 2 nether 1 nor 2 electro magnetic induction electro static induction both 1 and 2 nether 1 nor 2 electro magnetic induction electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems Calorific value of solid fuel is expressed as KCal / gm. Cal / gm. KCal / lt. Cal / lt. KCal / gm. Cal / gm. KCal / lt. Cal / lt. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? nether 1 nor 2 Nominal ∏ Nominal T either 1 or 2 nether 1 nor 2 Nominal ∏ Nominal T either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
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