Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 4.45 kW 19.60 kW 9.81 kW 2.90 kW 4.45 kW 19.60 kW 9.81 kW 2.90 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 50 kA. 45 kA. 35 kA. 55 kA. 50 kA. 45 kA. 35 kA. 55 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of gauss siedel method is/are calculation time for each iteration is less number of iterations are less applicable for large power system network All of these calculation time for each iteration is less number of iterations are less applicable for large power system network All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are most economical as a peak load supply plant used as load frequency control All of these operating time is minimum most economical as a peak load supply plant used as load frequency control All of these operating time is minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is circular. elliptical. spiral. none of these. circular. elliptical. spiral. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Bulk oil type CB Air blast CB Sulphur hexafluoride CB Vacuum CB Bulk oil type CB Air blast CB Sulphur hexafluoride CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
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