Power Systems For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians? 7.95 × 10³ 2 × 10-3 7.95 × 10-3 8 × 10³ 7.95 × 10³ 2 × 10-3 7.95 × 10-3 8 × 10³ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? over current relays Differential relays both 1 and 2 Buccholz relays over current relays Differential relays both 1 and 2 Buccholz relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are fossile fuels and radioactive substances. solar, wind, biomass. none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. none of above. wood, animal wastes and agricultural wastes. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 35.45 23.9 38.6 31.7 35.45 23.9 38.6 31.7 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? All of these. Impulse tests. Thermal stability test. Load cycle tests. All of these. Impulse tests. Thermal stability test. Load cycle tests. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making current is a------------ value? peak value average any of the above RMS peak value average any of the above RMS ANSWER DOWNLOAD EXAMIANS APP
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