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. 6. 16. 12. 24. 6. 16. 12. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On a power system network the load is increasing represents the value of impedance increase. none of above. decrease. remains constant. increase. none of above. decrease. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Δ-Y connection Δ-Δ connection Y-Δ connection Y-Y connection Δ-Y connection Δ-Δ connection Y-Δ connection Y-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems Non-commercial sources of energy are None of these solar, wind and biomass. wood, animal wastes and agricultural wastes. fossil fuel, hydro power and nuclear power. None of these solar, wind and biomass. wood, animal wastes and agricultural wastes. fossil fuel, hydro power and nuclear power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a Minimum load station. Base load station. Peak load station. None of above. Minimum load station. Base load station. Peak load station. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? SF6 CB. Air blast CB. Oil CB. Vacuum CB. SF6 CB. Air blast CB. Oil CB. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP
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