Power Systems NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at Farakka. Durgapur. Bakreshwar. Katwa. Farakka. Durgapur. Bakreshwar. Katwa. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are It has units for all quantities No units for any quantity All of these Need of transformation ratio It has units for all quantities No units for any quantity All of these Need of transformation ratio ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.018 per Km. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. None of them. 0.018 per Km. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. None of them. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 4.06 × 106 kWh. 5 × 106 kWh. 3 × 106 kWh. 2.044 × 106 kWh. 4.06 × 106 kWh. 5 × 106 kWh. 3 × 106 kWh. 2.044 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is much lower than with unsectional bus bar. none of these. much higher than with unsectional bus bar. equal to unsectional bus bar. much lower than with unsectional bus bar. none of these. much higher than with unsectional bus bar. equal to unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pin insulators are used up to any voltage level 120 kV 33 kV 11 kV any voltage level 120 kV 33 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
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