Power Systems The per unit impedance Z(pu) is given by ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are strain type pin type insulator suspension type any of the above strain type pin type insulator suspension type any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bonding is done at the both ends of the cable to reduce the iron loss copper loss sheath loss None of these iron loss copper loss sheath loss None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 400 kV. 50 kV. 200 kV. 100 kV. 400 kV. 50 kV. 200 kV. 100 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 9.68 msec 1.47 msec 4.68 msec 2.63 msec 9.68 msec 1.47 msec 4.68 msec 2.63 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Synchronous line both 1 and 2 No need of same frequency for exchange of power Asynchronous line Synchronous line both 1 and 2 No need of same frequency for exchange of power Asynchronous line ANSWER DOWNLOAD EXAMIANS APP
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