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 What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 80.25 %. 74.56 %. 78.96 %. 79.33 %. 80.25 %. 74.56 %. 78.96 %. 79.33 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for All of these lagging power factor leading power factor unity power factor All of these lagging power factor leading power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which turbine is ideally suited to pumped storage plants Impeller. Kaplan. Pelton. Francis. Impeller. Kaplan. Pelton. Francis. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where do compounding done in thermal power plants Coal handling plant. Ash handling plant. Turbine. Generator. Coal handling plant. Ash handling plant. Turbine. Generator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? High relative permittivity Low ratio of puncture strength to flash over. Both 1 and 2 High ratio of puncture strength to flash over. High relative permittivity Low ratio of puncture strength to flash over. Both 1 and 2 High ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP