GETCO Exam Paper (30-11-2008) When a star delta transformer bank of three single phase transformers is to be used for step down transformation with line voltages of 23000 V and 2300 V, the ratio of transformation will be 10.0:1 17.2:1 5.8:1 12.1:1 10.0:1 17.2:1 5.8:1 12.1:1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which of the following inernational body is associated / collaborating in the National 'Population Education Programme' in the country? UNESCO WHO UNFPA IMF UNESCO WHO UNFPA IMF ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In distance protection, the relay measures _____ impedance of the line from relay up to the fault point. positive sequence negative sequence self zero sequence positive sequence negative sequence self zero sequence ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Arcing voltage will be the least in case of copper carbon tungsten silver copper carbon tungsten silver ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Power system A is operating in parallel with other systems and has a frequency bias of 50 MW/0.1 Hz. For a loss of generation in one of the interconnected systems resulting in a frequency drop of 0.02 Hz, system A should provide 20 MW of support provide 10 MW of support not be affected provide 30 MW support provide 20 MW of support provide 10 MW of support not be affected provide 30 MW support ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In a dry type transformer, accumulation of dust on the windings and core is likely to cause short circuiting of primary winding short circuiting of secondary winding corrosion of core material reduction in heat dissipation short circuiting of primary winding short circuiting of secondary winding corrosion of core material reduction in heat dissipation ANSWER DOWNLOAD EXAMIANS APP
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