Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 4 F 0.5 F 2 F 1 F 4 F 0.5 F 2 F 1 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that 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 current density is more at the centre of the condutor current density is more at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 35 kVA. 70 kVA. 49 kVA. 89.22 kVA. 35 kVA. 70 kVA. 49 kVA. 89.22 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 5 MJ 500 MJ 10 MJ 50 MJ 5 MJ 500 MJ 10 MJ 50 MJ 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? 25% 75% 62.5% 50.5% 25% 75% 62.5% 50.5% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by none of these. N√( P ) / H2/3. N√( P ) / H1.25. P√( N ) / H3/2. none of these. N√( P ) / H2/3. N√( P ) / H1.25. P√( N ) / H3/2. ANSWER DOWNLOAD EXAMIANS APP