Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is un changed. 1. 5. 10. un changed. 1. 5. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 750 Ω 3000 Ω 1500 Ω 1000 Ω 750 Ω 3000 Ω 1500 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 4.68 msec 9.68 msec 1.47 msec 2.63 msec 4.68 msec 9.68 msec 1.47 msec 2.63 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Thermal shielding is provided to 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. protected the operating personal from exposure to radiations. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of minimum. zero. two - thirds of maximum. one - third of maximum. one - third of minimum. zero. two - thirds of maximum. one - third of maximum. ANSWER DOWNLOAD EXAMIANS APP
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 6.25 A 15 A 12.5 A 10 A 6.25 A 15 A 12.5 A 10 A ANSWER DOWNLOAD EXAMIANS APP