Power Systems If skin depth is more, then skin effect is less more either 1 or 2 None of these less more either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for unity power factor All of these leading power factor lagging power factor unity power factor All of these leading power factor lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LG LLL LLG LL LG LLL LLG LL ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 28 Ω 33 Ω 40 Ω 52 Ω 28 Ω 33 Ω 40 Ω 52 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers collect ash particals All of these cooling improving thermal efficiency collect ash particals All of these cooling improving thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively decrease and remain unaffected. increase and decrease. increase and remain unaffected. decrease and increase. decrease and remain unaffected. increase and decrease. increase and remain unaffected. decrease and increase. ANSWER DOWNLOAD EXAMIANS APP
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