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 1 F 2 F 0.5 F 4 F 1 F 2 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inductance of single phase two wire line is given by 4×10-7× ln(d/r') H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m 4×10-7× ln(d/r') H/m 4×10-7× ln(r'/d) H/m 0.4×10-7× ln(r'/d) H/m 0.4×10-7× ln(d/r') H/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 10 MW 9 MW 18 MW 5 MW 10 MW 9 MW 18 MW 5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In transmission lines distribution constants are both 1 and 2 inductance and resistance resistance inductance and capacitance both 1 and 2 inductance and resistance resistance inductance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from open circuits All of these protection of equipment from short circuits protection of equipment from external lightning protection of equipment from open circuits All of these protection of equipment from short circuits protection of equipment from external lightning 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 400 kV 600 kV 500 kV 350 kV 400 kV 600 kV 500 kV 350 kV ANSWER DOWNLOAD EXAMIANS APP
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