Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Halves. Decrease but does not halves. Doubled. Increase but does not doubled. Halves. Decrease but does not halves. Doubled. Increase but does not doubled. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 400 kV 600 kV 320 kv 500 kV 400 kV 600 kV 320 kv 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 12. 6. 16. 24. 12. 6. 16. 24. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? faults within a transformer through faults faults within a generator both 1 and 2 faults within a transformer through faults faults within a generator both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.6 lag and 0.8 lead 0.6 lag and 0.6 lead 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.8 lead 0.6 lag and 0.6 lead 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? Kaplan Pelton None of these Francis Kaplan Pelton None of these Francis ANSWER DOWNLOAD EXAMIANS APP
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