Power Systems The use of high speed circuit breakers increased the short circuit current. decrease system stability. reduces the short circuit current. improves system stability. increased the short circuit current. decrease system stability. reduces the short circuit current. improves system stability. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Vacuum CB. Air blast CB. Any of these. Oil CB. Vacuum CB. Air blast CB. Any of these. Oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 1500 Ω 2000 Ω 3000 Ω 750 Ω 1500 Ω 2000 Ω 3000 Ω 750 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 10 MW 9 MW 5 MW 18 MW 10 MW 9 MW 5 MW 18 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Pelton Francis Impeller Kaplan Pelton Francis Impeller Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 0.99. 1.0. 0.75. 1.35. 0.99. 1.0. 0.75. 1.35. ANSWER DOWNLOAD EXAMIANS APP
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