Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -6.92% 10% 6.92% -10% -6.92% 10% 6.92% -10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? gas based thermal power plant coal based thermal power plant pumped storage hydro power plant nuclear plant gas based thermal power plant coal based thermal power plant pumped storage hydro power plant nuclear plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 49 kVA. 89.22 kVA. 35 kVA. 70 kVA. 49 kVA. 89.22 kVA. 35 kVA. 70 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use a mixture of sodium and graphite as coolant. sodium as moderator and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. a mixture of sodium and graphite as coolant. sodium as moderator and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. ANSWER DOWNLOAD EXAMIANS APP
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 if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored always if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored always ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which power plant cannot have single unit of 100 MW capacity Diesel engine plant. Nuclear power plant. Steam power plant. Hydro electric power plant. Diesel engine plant. Nuclear power plant. Steam power plant. Hydro electric power plant. ANSWER DOWNLOAD EXAMIANS APP
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