Power Systems Proximity effect depends on frequency relative permeability distance between the conductors All of these frequency relative permeability distance between the conductors All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b/(KV)²b ZΩ* (kVA)b/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Hydro electric power plant. Gas turbine plant. Nuclear power plant. Thermal power plant. Hydro electric power plant. Gas turbine plant. Nuclear power plant. Thermal power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is 3/ω²C ω²C/3 3ω²C 1/3ω²C 3/ω²C ω²C/3 3ω²C 1/3ω²C ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent always if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent always if the shunt admittances at the buses are ignored ANSWER DOWNLOAD EXAMIANS APP
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