Power Systems Recovery voltage in CB is equal to arcing period voltage. transient voltage. normal frequency 50 Hz rms voltage. none of these. arcing period voltage. transient voltage. normal frequency 50 Hz rms voltage. none of these. 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 shunt reactor required for compensating ferranti effect? 3000 Ω 500 Ω 2000 Ω 1500 Ω 3000 Ω 500 Ω 2000 Ω 1500 Ω 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? 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.6 lead 0.6 lag and 0.8 lead 0.8 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.6 lead 0.6 lag and 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by hissing sound power loss and interference violet visible light All of these hissing sound power loss and interference violet visible light All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7562 KCal / Kg. 7268.45 KCal / Kg. 7166.67 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. 7268.45 KCal / Kg. 7166.67 KCal / Kg. 7000 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS