Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. delta / delta. ground star / delta. star / grounded star. delta / star. delta / delta. ground star / delta. star / grounded star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? copper silicon oxide any of the above silver copper silicon oxide any of the above silver ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Applicable for large power system network Number of iterations are less both 1 and 2 Time taken for each iteration is less Applicable for large power system network Number of iterations are less both 1 and 2 Time taken for each iteration is less ANSWER DOWNLOAD EXAMIANS APP
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 32 MΩ 4 MΩ 16 MΩ 8 MΩ 32 MΩ 4 MΩ 16 MΩ 8 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? initial cost is low both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation initial cost is low both 1 and 2 single unit can be used as both capacitance and inductor by adjusting the excitation smooth voltage regulation is possible by controlling excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is 1/3ω²C 3/ω²C ω²C/3 3ω²C 1/3ω²C 3/ω²C ω²C/3 3ω²C ANSWER DOWNLOAD EXAMIANS APP
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