Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lag 0.8 lag 0.6 lead 0.8 lead 0.6 lag 0.8 lag 0.6 lead 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is true? Corona loss increases with increase in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is any of the above increased reduced remains unaffected any of the above increased reduced remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when both GMD and GMR increase GMD increase and GMR decrease GMD decrease and GMR increase both GMD and GMR decrease both GMD and GMR increase GMD increase and GMR decrease GMD decrease and GMR increase both GMD and GMR decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change in temperature between inlet and outlet. change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change of entropy between inlet and outlet. change in temperature between inlet and outlet. change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change of entropy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 3600 A. 35 kA. 1200 A. 104.8 kA. 3600 A. 35 kA. 1200 A. 104.8 kA. ANSWER DOWNLOAD EXAMIANS APP
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