Power Systems An impulse turbine is most suited for low head and high discharge power plants. operates by initial complete conversion to kinetic energy. always operates submerged. makes use of a draft tube. is most suited for low head and high discharge power plants. operates by initial complete conversion to kinetic energy. always operates submerged. makes use of a draft tube. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are All of these Reliable power has to be available Cost of electrical energy per KWh is to be minimum Flexible power has to be available. All of these Reliable power has to be available Cost of electrical energy per KWh is to be minimum Flexible power has to be available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 500 MVA 400 MVA 200 MVA 100 MVA 500 MVA 400 MVA 200 MVA 100 MVA 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 the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent always if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent always if both 2 and 3 are satisfied ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under over excitation synchronous phase modifier works as shunt reactor shunt capacitor series capacitor any of the above shunt reactor shunt capacitor series capacitor any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by 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 ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
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