Power Systems A sodium graphite reactors use sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of fault current and operating coil current. number of turns of restraining and operating coil. operating coil current and restraining coil current. fault current and restraining coil current. fault current and operating coil current. number of turns of restraining and operating coil. operating coil current and restraining coil current. fault current and restraining coil current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power station that does not requier any moving part is Wind power generation. Solar power generation. Tidal power generation. Thermonic convertor. Wind power generation. Solar power generation. Tidal power generation. Thermonic convertor. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a regenerative cycle, feed water is heated by all of above. heaters. exhaust gas. drained steam from turbine. all of above. heaters. exhaust gas. drained steam from turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is high and initial cost is low. operating cost is low and initial cost is high. both operating and initial cost are high. both operating and initial cost are low. operating cost is high and initial cost is low. operating cost is low and initial cost is high. both operating and initial cost are high. both operating and initial cost are low. 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 0.433∠ 80° 0.371∠ -100° 0.325∠ -100° 0.725∠ 80° 0.433∠ 80° 0.371∠ -100° 0.325∠ -100° 0.725∠ 80° ANSWER DOWNLOAD EXAMIANS APP
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