Power Systems Skin effect depends on All of these relative permeability frequency conductivity All of these relative permeability frequency conductivity ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. After shunt compensation surge impedance loading will increases decreases None of these remains unaffected increases decreases None of these remains unaffected 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? 4 F 1 F 2 F 0.5 F 4 F 1 F 2 F 0.5 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 350 kV 500 kV 600 kV 400 kV 350 kV 500 kV 600 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? capacitor voltage transformer distribution transformer auto transformer All of these capacitor voltage transformer distribution transformer auto transformer All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the methods of laying underground cables? Direct laying. None of these. Both A and B. Draw - in - system / duct - pipe laying. Direct laying. None of these. Both A and B. Draw - in - system / duct - pipe laying. ANSWER DOWNLOAD EXAMIANS APP
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