Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 42° 45° 90° 36° 42° 45° 90° 36° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are solar, wind, biomass. fossile fuels and radioactive substances. wood, animal wastes and agricultural wastes. none of above. solar, wind, biomass. fossile fuels and radioactive substances. wood, animal wastes and agricultural wastes. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass of the fuel is the amount required to make the multiplication factor 0.5. more than 1. equal to factor. less than 1. 0.5. more than 1. equal to factor. less than 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 31.28 kV 29.28 kV 30.28 kV 28.28 kV 31.28 kV 29.28 kV 30.28 kV 28.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 32 kV 40 kV 36 kV 45 kV 32 kV 40 kV 36 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of long lines. none of these. short lines. medium lines. long lines. none of these. short lines. medium lines. ANSWER DOWNLOAD EXAMIANS APP
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