Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 0.5 ohm 5 ohms 50 ohms 500 ohms 0.5 ohm 5 ohms 50 ohms 500 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operator "a" rotates a vector clock wise direction anti clock wise direction nether 1 nor 2 either 1 or 2 clock wise direction anti clock wise direction nether 1 nor 2 either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 0.5 F 2 F 1 F 4 F 0.5 F 2 F 1 F 4 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? pumped storage hydro power plant nuclear plant coal based thermal power plant gas based thermal power plant pumped storage hydro power plant nuclear plant coal based thermal power plant gas based thermal power plant 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* (kVA)b/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Time taken for each iteration is less Applicable for large power system network Number of iterations are less both 1 and 2 Time taken for each iteration is less Applicable for large power system network Number of iterations are less both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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