Power Systems If we increase the length of the transmission line, the charging current None of these remains unaffected decreases increases None of these remains unaffected decreases increases 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? 600 kV 500 kV 400 kV 320 kv 600 kV 500 kV 400 kV 320 kv ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.0060 0.30 0.0030 0.60 0.0060 0.30 0.0030 0.60 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal plant most of the energy is wasted in turbines ESP boiler condenser turbines ESP boiler condenser ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 1000 Ω 250 Ω 25 Ω 500 Ω 1000 Ω 250 Ω 25 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Thermal power plant. Nuclear power plant. Hydro electric power plant. Gas turbine plant. Thermal power plant. Nuclear power plant. Hydro electric power plant. Gas turbine plant. ANSWER DOWNLOAD EXAMIANS APP
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