GETCO Exam Paper (22-07-2015) 100% string efficiency means None uniform potential distribution across each disc Equal potential across each disc One of the insulator discs shorted Zero potential across each disc None uniform potential distribution across each disc Equal potential across each disc One of the insulator discs shorted Zero potential across each disc ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The president of India must have completed the age of 50 Yrs 21 Yrs 30 Yrs 35 Yrs 50 Yrs 21 Yrs 30 Yrs 35 Yrs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The surge impedance loading of the line will _____ if the length of the line is double double remains same four times become half double remains same four times become half ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Surge impedance is independent of length of the line
GETCO Exam Paper (22-07-2015) In a power system network, at which bus the shunt is connected that can be known from none of these Y bus of the system type of bus reactive power demand none of these Y bus of the system type of bus reactive power demand ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is zero leading unity lagging zero leading unity lagging ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/VVR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V
GETCO Exam Paper (22-07-2015) The PU impedance of a 1089 MVA, 33 kV generator is 1, the ohmic value of its impedance is: 100 1 10 0.5 100 1 10 0.5 ANSWER DOWNLOAD EXAMIANS APP
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