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 Which of the following represents the transmission line positive sequence reactance Xm - Xs Xs - Xm 2Xs + Xm Xs +2 Xm Xm - Xs Xs - Xm 2Xs + Xm Xs +2 Xm ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass is minimum mass of fissionable material required to sustain chain reaction. maximum mass of fissionable material required to sustain a chain reaction. a mass of fissionable material required to stop a chain reaction. none of these. minimum mass of fissionable material required to sustain chain reaction. maximum mass of fissionable material required to sustain a chain reaction. a mass of fissionable material required to stop a chain reaction. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems One atomic mass unit is equivalent to 251.2 MeV. 180.5 MeV. 120.4 MeV. 931.4 MeV. 251.2 MeV. 180.5 MeV. 120.4 MeV. 931.4 MeV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 36° 90° 42° 45° 36° 90° 42° 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 2000 Ω 3000 Ω 750 Ω 1500 Ω 2000 Ω 3000 Ω 750 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
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