Power Systems Corona loss is ----------------- on hilly areas than as plain areas. more None of these less remain same more None of these less remain same ANSWER DOWNLOAD EXAMIANS APP
Power Systems In case of failure of prime mover of the generator, which type of relay is used? reverse power relay offset mho relay impedance relay distance relays reverse power relay offset mho relay impedance relay distance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 3.975 pu 2.4 pu 0.2 pu 1.375 pu 3.975 pu 2.4 pu 0.2 pu 1.375 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under excited Synchronous phase modifier works as shunt reactor series capacitor shunt capacitor any of the above shunt reactor series capacitor shunt capacitor any of the above 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 250 Ω 500 Ω 25 Ω 1000 Ω 250 Ω 500 Ω 25 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in bituminous coal. coal gas. lignite coal. anthracite coal. bituminous coal. coal gas. lignite coal. anthracite coal. ANSWER DOWNLOAD EXAMIANS APP