Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 12.5 A 10 A 15 A 6.25 A 12.5 A 10 A 15 A 6.25 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LLLG. LLG. LL. LG. LLLG. LLG. LL. LG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to reduce the tension reduce the vibrations at the point of support All of these increase the sag reduce the tension reduce the vibrations at the point of support All of these increase the sag ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents total power available. total quantity of run-off during that period. maximum rate of run-off during the period. total of units of energy available. total power available. total quantity of run-off during that period. maximum rate of run-off during the period. total of units of energy available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt resistance at receiving end shunt capacitor at receiving end shunt reactor at receiving end All of these shunt resistance at receiving end shunt capacitor at receiving end shunt reactor at receiving end All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Thermal shielding is provided to protected the operating personal from exposure to radiations. All of these absorb the fast neutron. prevent the reactor wall from getting heated. protected the operating personal from exposure to radiations. All of these absorb the fast neutron. prevent the reactor wall from getting heated. ANSWER DOWNLOAD EXAMIANS APP
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