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 40 Ω 33 Ω 52 Ω 28 Ω 40 Ω 33 Ω 52 Ω 28 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 1000 10 0.1 0.001 1000 10 0.1 0.001 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reheat cycle in thermal power plant is used to utilize heat of flue gases. reduce loss of heat. improve condenser performance. increase thermal efficiency. utilize heat of flue gases. reduce loss of heat. improve condenser performance. increase thermal efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? Instantaneous and RMS value any of the above RMS and Instantaneous value RMS and RMS value Instantaneous and RMS value any of the above RMS and Instantaneous value RMS and RMS value ANSWER DOWNLOAD EXAMIANS APP
Power Systems Due to proximity effect, the increase in conductor resistance is not negligible in overhead transmission lines All of these underground cable communication lines overhead transmission lines All of these underground cable communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rating of fuse wire is expressed in Ampere. Ω. Mho. Watts. Ampere. Ω. Mho. Watts. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS