Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 2 MJ/MVA 6 MJ/MVA 4 MJ/MVA 8 MJ/MVA 2 MJ/MVA 6 MJ/MVA 4 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are both 1 and 2 Transmission system must be more efficient with minimum line losses Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 both 1 and 2 Transmission system must be more efficient with minimum line losses Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 36° 42° 45° 90° 36° 42° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is fully loaded The power factor is unity The line is heavily loaded The line is lightly loaded The line is fully loaded The power factor is unity The line is heavily loaded The line is lightly loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine Pelton turbine. Kaplan turbine. None of above. Francis turbine. Pelton turbine. Kaplan turbine. None of above. Francis turbine. 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
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