Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 89.22 kVA. 70 kVA. 35 kVA. 49 kVA. 89.22 kVA. 70 kVA. 35 kVA. 49 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal plant most of the energy is wasted in ESP condenser turbines boiler ESP condenser turbines boiler 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
Power Systems Which of the following is/are the disadvantages of phase modifiers? It consumes both active and reactive power Initial cost of synchronous phase modifier is higher It requires more maintenance because of running equipment All of these It consumes both active and reactive power Initial cost of synchronous phase modifier is higher It requires more maintenance because of running equipment All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.018 per Km. None of them. 0.01 + j 0.02 per Km. 0.09 + j 0.018 per Km. 0.018 per Km. None of them. 0.01 + j 0.02 per Km. 0.09 + j 0.018 per Km. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 24. 16. 6. 12. 24. 16. 6. 12. ANSWER DOWNLOAD EXAMIANS APP
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