Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation (Z1 = Z2) < Z0 any of the above Z1 = Z2 = Z0 (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 any of the above Z1 = Z2 = Z0 (Z1 = Z2) > Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 1 pu 0.5 pu 0.4 pu 0.8 pu 1 pu 0.5 pu 0.4 pu 0.8 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Condenser. Boiler. Steam turbine. Super heater. Condenser. Boiler. Steam turbine. Super heater. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the propagation constant, if impedance is 10Ω and admittance is 10 ℧? 10 1 100 5 10 1 100 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers reduces the short circuit current. decrease system stability. improves system stability. increased the short circuit current. reduces the short circuit current. decrease system stability. improves system stability. increased the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by P√( N ) / H3/2. none of these. N√( P ) / H2/3. N√( P ) / H1.25. P√( N ) / H3/2. none of these. N√( P ) / H2/3. N√( P ) / H1.25. ANSWER DOWNLOAD EXAMIANS APP
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