Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 1 0.5 0.25 0.75 1 0.5 0.25 0.75 ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 5th harmonic current. 3rd harmonic current. 7th harmonic current. 2nd harmonic current. 5th harmonic current. 3rd harmonic current. 7th harmonic current. 2nd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to increase flow rate of water. convert kinetic energy of water. all of above. reduce water hammer. increase flow rate of water. convert kinetic energy of water. all of above. reduce water hammer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? All of these HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line There is no skin effect in dc line All of these HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line There is no skin effect in dc line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are fault bus protection. none of these. both fault bus and differential protection. differential protection. fault bus protection. none of these. both fault bus and differential protection. differential protection. ANSWER DOWNLOAD EXAMIANS APP
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