Power Systems Rankine cycle efficiency of a steam power plant is of 20 - 30 %. 30 - 45 %. 45 - 80 %. 60 - 80 %. 20 - 30 %. 30 - 45 %. 45 - 80 %. 60 - 80 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are It requires less maintanance All of these single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation It requires less maintanance All of these single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? All of these Fast acting governing system Dynamic breaking Fast acting excitation control All of these Fast acting governing system Dynamic breaking Fast acting excitation control 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 500 Ω 250 Ω 1000 Ω 25 Ω 500 Ω 250 Ω 1000 Ω 25 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as any of the above short transmission lines medium transmission lines long transmission lines any of the above short transmission lines medium transmission lines long transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called settling time. damping time. stopping time. coasting time. settling time. damping time. stopping time. coasting time. ANSWER DOWNLOAD EXAMIANS APP
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