Power Systems In which of the following given faults, all the sequence currents are equal? LG LLG LL LLL LG LLG LL LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? either 1 or 2 None of these Power line Both power and telecommunication lines either 1 or 2 None of these Power line Both power and telecommunication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 750 Ω 2000 Ω 3000 Ω 1500 Ω 750 Ω 2000 Ω 3000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Load cycle tests. Impulse tests. Thermal stability test. All of these. Load cycle tests. Impulse tests. Thermal stability test. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? 0.56 0.92 -0.56 -0.92 0.56 0.92 -0.56 -0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Electrostatic precipitators in thermal power plants are used for All of these remove moisture from the cole control flow rate removal of ash from flue gas All of these remove moisture from the cole control flow rate removal of ash from flue gas ANSWER DOWNLOAD EXAMIANS APP
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