Power Systems The overall efficiency of a steam power plant equal to binary vapor cycle. regenerative cycle. the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. regenerative cycle. the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The internal flux linkage due to internal flux of a conductor is I/6*10-7 wb-T/m I/4*10-7 wb-T/m I/2*10-7 wb-T/m All of these I/6*10-7 wb-T/m I/4*10-7 wb-T/m I/2*10-7 wb-T/m All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line corona effect ferranti effect skin effect All of these corona effect ferranti effect skin effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In load flow studies PV bus is treated as PQ bus when reactive power goes beyond limit voltage at the bus become high any of the above phase angle become high reactive power goes beyond limit voltage at the bus become high any of the above phase angle become high ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 17.32 kV/phase 34.64 kV/phase 82.15 kV/phase 41.075 kV/phase 17.32 kV/phase 34.64 kV/phase 82.15 kV/phase 41.075 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 2nd harmonic current. 7th harmonic current. 3rd harmonic current. 5th harmonic current. 2nd harmonic current. 7th harmonic current. 3rd harmonic current. 5th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
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