Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 6.06 Ω / phase. 8.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum demand of a consumer is 2 kW and corresponding daily energy consumption is 30 units. What is the corresponding load factor? 62.5% 50.5% 75% 25% 62.5% 50.5% 75% 25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that 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 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 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 250 Ω 500 Ω 25 Ω 1000 Ω 250 Ω 500 Ω 25 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are six three two one six three two one ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because higher critical temperature and pressure. higher saturation temperature than other fluids. all of above. relative low vaporization pressure. higher critical temperature and pressure. higher saturation temperature than other fluids. all of above. relative low vaporization pressure. ANSWER DOWNLOAD EXAMIANS APP
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