Power Systems Which of the following transformer is used in sub station for operating a protective relay? distribution transformer All of these auto transformer capacitor voltage transformer distribution transformer All of these auto transformer capacitor voltage transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 0.75 0.25 0.5 1 0.75 0.25 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is 1.088 pu. 1.116 pu. none of these. 1.1 pu. 1.088 pu. 1.116 pu. none of these. 1.1 pu. 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 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 0.1 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a regenerative cycle, feed water is heated by all of above. exhaust gas. heaters. drained steam from turbine. all of above. exhaust gas. heaters. drained steam from turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to improve the power factor of the transmission. reduce losses in a transmission line. connect instruments on the LT side. none of these. improve the power factor of the transmission. reduce losses in a transmission line. connect instruments on the LT side. none of these. ANSWER DOWNLOAD EXAMIANS APP
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