Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are three one two six three one two six ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 83.76 kV 48.36 kV 52.84 kV 20 kV 83.76 kV 48.36 kV 52.84 kV 20 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is 0.1 mH/Km 0 mH/Km 0.025 mH/Km 0.05 mH/Km 0.1 mH/Km 0 mH/Km 0.025 mH/Km 0.05 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change of entropy between inlet and outlet. change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. change in internal energy between inlet and outlet. change of entropy between inlet and outlet. change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. change in internal energy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of medium transmission lines only All of these short transmission lines only long transmission lines only medium transmission lines only All of these short transmission lines only long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when GMD increase and GMR decrease both GMD and GMR decrease both GMD and GMR increase GMD decrease and GMR increase GMD increase and GMR decrease both GMD and GMR decrease both GMD and GMR increase GMD decrease and GMR increase ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS