Power Systems Buchholz relay is used for protection of transformer. none of these. bus bar. alternator. transformer. none of these. bus bar. alternator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where do compounding done in thermal power plants Generator. Coal handling plant. Ash handling plant. Turbine. Generator. Coal handling plant. Ash handling plant. Turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 200 : 5 / √3. 100 : 5 / √3. 150 : 4 / √3. 120 : 6 / √3. 200 : 5 / √3. 100 : 5 / √3. 150 : 4 / √3. 120 : 6 / √3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Range of accelerating factor is 50 to 100 1.6 to 1.8 10.8 to 11.2 1 to 10 50 to 100 1.6 to 1.8 10.8 to 11.2 1 to 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 300 Amp. 200 Amp. 350 Amp. 250 Amp. 300 Amp. 200 Amp. 350 Amp. 250 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 4 F 2 F 0.5 F 1 F 4 F 2 F 0.5 F 1 F ANSWER DOWNLOAD EXAMIANS APP
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