Power Systems Condition for zero voltage regulation is cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively increase and remain unaffected. increase and decrease. decrease and remain unaffected. decrease and increase. increase and remain unaffected. increase and decrease. decrease and remain unaffected. decrease and increase. ANSWER DOWNLOAD EXAMIANS APP
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. 24. 6. 12. 16. 24. 6. 12. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 52 Ω 40 Ω 28 Ω 33 Ω 52 Ω 40 Ω 28 Ω 33 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton wheel turbine is a low head turbine. none of above. medium head turbine. high head turbine. low head turbine. none of above. medium head turbine. high head turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a pressurized water reactor water is used at high pressure so that it is available is liquid from at about 280° C. the coolant water boils in the reactor core. heavy water is used as both coolant and moderator. both B and C. water is used at high pressure so that it is available is liquid from at about 280° C. the coolant water boils in the reactor core. heavy water is used as both coolant and moderator. both B and C. ANSWER DOWNLOAD EXAMIANS APP
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