Power Systems Recovery voltage in CB is equal to transient voltage. none of these. normal frequency 50 Hz rms voltage. arcing period voltage. transient voltage. none of these. normal frequency 50 Hz rms voltage. arcing period voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that current density is lower at the surface of the condutor current density is more at the centre of the condutor current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor current density is more at the centre of the condutor current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydro power stations what is an enlarged body of water just above the intake and used as a regulating reservoir called Spillways. Penstock. Fore bay. Reservoir. Spillways. Penstock. Fore bay. Reservoir. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? over current All of these failure of excitation Inter phase faults over current All of these failure of excitation Inter phase faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 0.882 0.93 1.13 1 0.882 0.93 1.13 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Inversely proportional to its length. Directly proportional to its length. Directly proportional to square root of its length. Independent of its length. Inversely proportional to its length. Directly proportional to its length. Directly proportional to square root of its length. Independent of its length. ANSWER DOWNLOAD EXAMIANS APP