Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if the mutual couplings between transmission lines are absent always if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent always if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored ANSWER DOWNLOAD EXAMIANS APP
Power Systems Galvanised steel is generally used as All of these stray wire. structural components. earth wire. All of these stray wire. structural components. earth wire. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 25 Ω 1000 Ω 250 Ω 500 Ω 25 Ω 1000 Ω 250 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 5 pu 0.25 pu 0.2 pu 1 pu 5 pu 0.25 pu 0.2 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Half life is defined as the time required to spiliting of a heavy nucleus. the time required for one half of isotope to decay. the time required for full of atoms in a specimen disintegrate. none of above. the time required to spiliting of a heavy nucleus. the time required for one half of isotope to decay. the time required for full of atoms in a specimen disintegrate. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are any of the above suspension type strain type pin type insulator any of the above suspension type strain type pin type insulator ANSWER DOWNLOAD EXAMIANS APP
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