Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 750 Ω 1500 Ω 3000 Ω 1000 Ω 750 Ω 1500 Ω 3000 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems On a power system network the load is increasing represents the value of impedance remains constant. increase. decrease. none of above. remains constant. increase. decrease. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is 1.088 pu. none of these. 1.116 pu. 1.1 pu. 1.088 pu. none of these. 1.116 pu. 1.1 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 42° 45° 90° 36° 42° 45° 90° 36° ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? beryllium liquid sodium All of these graphite beryllium liquid sodium All of these graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 0.5 F 4 F 2 F 1 F 0.5 F 4 F 2 F 1 F ANSWER DOWNLOAD EXAMIANS APP