Power Systems Bundled conductors are used for EHV transmission lines primarily for reducing the voltage drop across the line copper loss surge impedance of the line corona loss voltage drop across the line copper loss surge impedance of the line corona loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 32 MΩ 8 MΩ 4 MΩ 16 MΩ 32 MΩ 8 MΩ 4 MΩ 16 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 6 pu 5 pu 2 pu 2.67 pu 6 pu 5 pu 2 pu 2.67 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Carbon. Aluminium. Silver. Copper. Carbon. Aluminium. Silver. Copper. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no both 1 and 2 shunt admittance None of these mutual coupling both 1 and 2 shunt admittance None of these mutual coupling ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? All of these distribution transformer auto transformer capacitor voltage transformer All of these distribution transformer auto transformer capacitor voltage transformer ANSWER DOWNLOAD EXAMIANS APP