Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? Instantaneous and RMS value RMS and Instantaneous value RMS and RMS value any of the above Instantaneous and RMS value RMS and Instantaneous value RMS and RMS value any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect will not occur in which of the following transmission lines long transmission lines All of these short transmission lines medium transmission lines long transmission lines All of these short transmission lines medium transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is mica glass PVC porcelain mica glass PVC porcelain ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is low specific speed turbine? Francis None of these Pelton Kaplan Francis None of these Pelton Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.6 pu, Zm =0.5 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems How to find the total number of strands (N) when number of layers (x) are given Total number of strands N = 3x² + 3x - 1 Total number of strands N = 3x² + 3x + 1 Total number of strands N = 3x² - 3x + 1 Total number of strands N = 3x² - 3x - 1 Total number of strands N = 3x² + 3x - 1 Total number of strands N = 3x² + 3x + 1 Total number of strands N = 3x² - 3x + 1 Total number of strands N = 3x² - 3x - 1 ANSWER DOWNLOAD EXAMIANS APP