GETCO Exam Paper (30-11-2008) If a power system is transiently stable, it both (a) & (c ) will oscillate beyond the first swing is always dynamically stable may be dynamically unstable both (a) & (c ) will oscillate beyond the first swing is always dynamically stable may be dynamically unstable ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Summation transformers are used in _____ relays. earth-fault pilot-wire carrier distance earth-fault pilot-wire carrier distance 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 not be affected provide 30 MW support provide 10 MW of support provide 20 MW of support not be affected provide 30 MW support provide 10 MW of 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 secondary winding reduction in heat dissipation corrosion of core material short circuiting of primary winding short circuiting of secondary winding reduction in heat dissipation corrosion of core material short circuiting of primary winding ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Bulk-oil CBs can be used for voltage upto 66 kV 33 kV 11 kV 1.1 kV 66 kV 33 kV 11 kV 1.1 kV ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The disadvantage of transmission lines as compared to cables is exposure to atmosphere hazards like smoke, ice, etc. exposure to lightening inductive interference between power communication circuits All of these exposure to atmosphere hazards like smoke, ice, etc. exposure to lightening inductive interference between power communication circuits All of these ANSWER DOWNLOAD EXAMIANS APP
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