Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? 33 to 50 kV 31.35 to 34.65 kV any voltage above 33 kV 25 to 35 kV 33 to 50 kV 31.35 to 34.65 kV any voltage above 33 kV 25 to 35 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a lossy transmission line, the characteristic impedance does not depend on The operating frequency of the line. The conductivity of conductors. The load terminating the line. The permittivity of the dielectric separating the conductor. The operating frequency of the line. The conductivity of conductors. The load terminating the line. The permittivity of the dielectric separating the conductor. ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? Q and V P and V V and δ P and Q Q and V P and V V and δ P and Q ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will reduce the thermal efficiency both 2 and 3 reduce the heat increase the thermal efficiency reduce the thermal efficiency both 2 and 3 reduce the heat increase the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be 1.3. 0.44. 0.25. 0.83. 1.3. 0.44. 0.25. 0.83. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of excitation Over voltage All of these Failure of prime mover of the generator Failure of excitation Over voltage All of these Failure of prime mover of the generator ANSWER DOWNLOAD EXAMIANS APP
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