Power Systems Mho relays are used for the protection of which of the following lines? long transmission lines only medium transmission lines only short transmission lines only None of these long transmission lines only medium transmission lines only short transmission lines only None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will decreases increases any of the above remains unaffected decreases increases any of the above remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems In load flow studies PV bus is treated as PQ bus when phase angle become high any of the above voltage at the bus become high reactive power goes beyond limit phase angle become high any of the above voltage at the bus become high reactive power goes beyond limit ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 76% 80% 78% 82% 76% 80% 78% 82% ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is zero. unity. lagging. leading. zero. unity. lagging. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce proximity effect skin effect radio interference ferranti effect proximity effect skin effect radio interference ferranti effect ANSWER DOWNLOAD EXAMIANS APP