Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 4 MΩ 8 MΩ 16 MΩ 32 MΩ 4 MΩ 8 MΩ 16 MΩ 32 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 90% 86%% 50% 75% 90% 86%% 50% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? All of these beryllium graphite heavy water All of these beryllium graphite heavy water ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 456 MW 478 MW 386 MW 400 MW 456 MW 478 MW 386 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is ω²C/3 3ω²C 1/3ω²C 3/ω²C ω²C/3 3ω²C 1/3ω²C 3/ω²C ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power plant is generally used as a/an Base load. Any of above. Peak loads. Standby/emergency plant. Base load. Any of above. Peak loads. Standby/emergency plant. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS