Power Systems A moderator material should have large atomic mass. None of these may be any of the above. small atomic mass. large atomic mass. None of these may be any of the above. small atomic mass. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 7 pu 3.535 pu 5.353 pu 5 pu 7 pu 3.535 pu 5.353 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? resistance grounding All of these isolated grounding reactance grounding resistance grounding All of these isolated grounding reactance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by both 1 and 2 Vl²*√(C/L) Vl²/Zs Vph²/Zs both 1 and 2 Vl²*√(C/L) Vl²/Zs Vph²/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that current density is more at the centre of the condutor current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor current density is more at the centre of the condutor current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? radio interference lighting voltage switching over voltage skin effect radio interference lighting voltage switching over voltage skin effect ANSWER DOWNLOAD EXAMIANS APP