Power Systems The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is 750 kW 250 kW 300 kW 500 kW 750 kW 250 kW 300 kW 500 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? In case of parallel transmission lines fault current increases fault current reduces stability increases both 1 and 3 fault current increases fault current reduces stability increases both 1 and 3 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 The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 210 Ω 420 Ω 840 Ω 400 Ω 210 Ω 420 Ω 840 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? DC series motor Three phase induction motor DC shunt motor Three phase synchronous motor DC series motor Three phase induction motor DC shunt motor Three phase synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to the Rankine cycle. regenerative cycle. binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. regenerative cycle. binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. ANSWER DOWNLOAD EXAMIANS APP
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