Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.7 pu, Zm =0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? All of these isolated grounding resistance grounding reactance grounding All of these isolated grounding resistance grounding reactance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems Electrostatic precipitators in thermal power plants are used for remove moisture from the cole removal of ash from flue gas control flow rate All of these remove moisture from the cole removal of ash from flue gas control flow rate All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that current density is more at the surface of the condutor current density is more at the centre 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 surface of the condutor current density is more at the centre 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 Communications lines are treated as medium transmission lines short transmission lines long transmission lines any of the above medium transmission lines short transmission lines long transmission lines any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are All of these High dielectric strength Non flammable High thermal conductivity All of these High dielectric strength Non flammable High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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