Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 4.45 kW 2.90 kW 9.81 kW 19.60 kW 4.45 kW 2.90 kW 9.81 kW 19.60 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is sum of admittances connected at bus j sum of admittances connected at bus i which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus j sum of admittances connected at bus i which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as any of the above medium transmission line long transmission line shunt capacitor any of the above medium transmission line long transmission line shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is spiral. none of these. circular. elliptical. spiral. none of these. circular. elliptical. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 5 ohms 50 ohms 0.5 ohm 500 ohms 5 ohms 50 ohms 0.5 ohm 500 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD - BC = 0 AD - BC = -1 AD + BC = 0 AD - BC = 1 AD - BC = 0 AD - BC = -1 AD + BC = 0 AD - BC = 1 ANSWER DOWNLOAD EXAMIANS APP