Power Systems The characteristic impedance of a transmission on line is Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to its length. Independent of its length. Directly proportional to its length. Directly proportional to square root of its length. Inversely proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is true? Corona loss increases with decrease in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and decrease in supply frequency increase in conductor size and increase in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency decrease in conductor size and decrease in supply frequency increase in conductor size and increase in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? isolated grounding reactance grounding All of these resistance grounding isolated grounding reactance grounding All of these resistance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as skin effect corona effect unsymmetrical fault All of these skin effect corona effect unsymmetrical fault All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plant work? Bell-Coleman cycle Otto cycle Rankine cycle Carnot cycle Bell-Coleman cycle Otto cycle Rankine cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of the cable is doubled, its capacitance C will be one-fourth. unchanged. one-half. doubled. one-fourth. unchanged. one-half. doubled. ANSWER DOWNLOAD EXAMIANS APP
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