Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? star-star star-delta delta-star delta-delta star-star star-delta delta-star delta-delta ANSWER DOWNLOAD EXAMIANS APP
Power Systems String efficiency depends upon all of these. voltage rating of whole string. no. of SCR in the string. voltage rating of one SCR. all of these. voltage rating of whole string. no. of SCR in the string. voltage rating of one SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is 0.325∠ -100° 0.371∠ -100° 0.433∠ 80° 0.725∠ 80° 0.325∠ -100° 0.371∠ -100° 0.433∠ 80° 0.725∠ 80° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? both 1 and 2 electro magnetic induction None of these electro static induction both 1 and 2 electro magnetic induction None of these electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as unsymmetrical fault corona effect All of these skin effect unsymmetrical fault corona effect All of these skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of reflector is to none of above. bounce back most of the neutrons that escape from the fuel core. reduce the speed of the neutrons. stop the chain reaction. none of above. bounce back most of the neutrons that escape from the fuel core. reduce the speed of the neutrons. stop the chain reaction. ANSWER DOWNLOAD EXAMIANS APP
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