Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 20 sec. 5 sec. 10 sec. none of these. 20 sec. 5 sec. 10 sec. none of these. ANSWER DOWNLOAD EXAMIANS APP
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 8.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1 1.13 0.89 1.25 1 1.13 0.89 1.25 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 159.24 m/µs 32 m/s 159.24 m/s 0.0312 m/s 159.24 m/µs 32 m/s 159.24 m/s 0.0312 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by increasing the radius of the conductor decreasing the supply frequency increasing the distance between the conductor All of these increasing the radius of the conductor decreasing the supply frequency increasing the distance between the conductor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In kaplan runner, the number of blades is generally of the order of 16 - 24. 1 - 2. 12 - 16. 3 - 6. 16 - 24. 1 - 2. 12 - 16. 3 - 6. ANSWER DOWNLOAD EXAMIANS APP
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