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 %. 79.33 %. 74.56 %. 78.96 %. 80.25 %. 79.33 %. 74.56 %. 78.96 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peterson coil is used in case of transmission line for increase the voltage level compensation of arcing grounds reduce ferranti effect improve power factor increase the voltage level compensation of arcing grounds reduce ferranti effect improve power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0.5 unity 0 leading 0.707 leading 0.5 unity 0 leading 0.707 leading ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.6 lag and 0.6 lead 0.6 lag and 0.8 lead 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.6 lead 0.6 lag and 0.8 lead 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems The annual depreciation of hydro power plant is about 15 - 20 %. 20 - 25 %. 10 - 15 %. 0.5 - 1.5 %. 15 - 20 %. 20 - 25 %. 10 - 15 %. 0.5 - 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. the Rankine cycle. binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. the Rankine cycle. ANSWER DOWNLOAD EXAMIANS APP