Power Systems Lightning arresters are used for 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 protection of equipment from open circuits ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 100 MVA 400 MVA 500 MVA 125 MVA 100 MVA 400 MVA 500 MVA 125 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is 10. 20. 5. 55.1. 10. 20. 5. 55.1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no None of these mutual coupling both 1 and 2 shunt admittance None of these mutual coupling both 1 and 2 shunt admittance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in None of these neither increasing nor decreasing order. the decreasing order. the increasing order. None of these neither increasing nor decreasing order. the decreasing order. the increasing order. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against power frequency of over voltages. over currents due to lightning stroke. direct strokes of lightning. over voltages due to indirect lightning stroke. power frequency of over voltages. over currents due to lightning stroke. direct strokes of lightning. over voltages due to indirect lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
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