Power Systems The skin effect shows that current density is more at the surface of the condutor current density is lower at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is more at the surface of the condutor current density is lower at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is spiral. none of these. circular. elliptical. spiral. none of these. circular. elliptical. 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 All of these control flow rate remove moisture from the cole removal of ash from flue gas All of these control flow rate ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 4 mm. 0.2 mm. 0.4 mm. 2 mm. 4 mm. 0.2 mm. 0.4 mm. 2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 159.24 m/µs 32 m/s 159.24 m/s 0.0312 m/s 159.24 m/µs 32 m/s 159.24 m/s 0.0312 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is lagging. leading. unity. zero. lagging. leading. unity. zero. ANSWER DOWNLOAD EXAMIANS APP