Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 25. 50. 15. 10. 25. 50. 15. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 5 8 4 2 5 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Units of incremental cost is MWhr/Rs Rs/MWhr Rs/hr RsMW/hr MWhr/Rs Rs/MWhr Rs/hr RsMW/hr ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Kaplan. Impeller. Pelton. Francis. Kaplan. Impeller. Pelton. Francis. 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 ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Δ-Y connection Y-Δ connection Δ-Δ connection Y-Y connection Δ-Y connection Y-Δ connection Δ-Δ connection Y-Y connection ANSWER DOWNLOAD EXAMIANS APP
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