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 16. 12. 24. 6. 16. 12. 24. 6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear fission means moderator. breaking up of nuclear of heavy atoms into nearly equal parts. combination of two light nuclei. graphite. moderator. breaking up of nuclear of heavy atoms into nearly equal parts. combination of two light nuclei. graphite. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is Decoupled method All of these G-S method N-R method Decoupled method All of these G-S method N-R method ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Vacuum CB Air blast CB Bulk oil type CB Sulphur hexafluoride CB Vacuum CB Air blast CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, neither 1 nor 2 tension decrease sag increase both 1 and 2 neither 1 nor 2 tension decrease sag increase both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is both 1 and 3 IR0 × Xn IN × Xn 3×IR0 × Xn both 1 and 3 IR0 × Xn IN × Xn 3×IR0 × Xn ANSWER DOWNLOAD EXAMIANS APP
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