Power Systems Operating cost of thermal power station is less than that of diesel power plant. less than that of nuclear power plant. is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of diesel power plant. less than that of nuclear power plant. is the same as that of nuclear power plant. less than that of hydroelectric power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? faults within a transformer faults within a generator both 1 and 2 through faults faults within a transformer faults within a generator both 1 and 2 through faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 500 Ω 3000 Ω 1500 Ω 2000 Ω 500 Ω 3000 Ω 1500 Ω 2000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 0.48 Hz 0.52 Hz -0.52 Hz 50 Hz 0.48 Hz 0.52 Hz -0.52 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reactor, chain reactor is controlled by introducing iron rods. graphite rods. brass rods. cadmium rods. iron rods. graphite rods. brass rods. cadmium rods. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station plant load factor is defined as the ratio of minimum load to average load the energy generated to that of maximum energy that could have been generated minimum load to peak load average load to the peak load minimum load to average load the energy generated to that of maximum energy that could have been generated minimum load to peak load average load to the peak load ANSWER DOWNLOAD EXAMIANS APP
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