GETCO Exam Paper (22-07-2015) The surge impedance loading of the line will _____ if the length of the line is double become half four times remains same double become half four times remains same double ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Surge impedance is independent of length of the line
GETCO Exam Paper (22-07-2015) In the standard B-H curve X axis and Y axis intercepts respctively represents Hysteresis loss and Flux Flux and MMF coercive force and residual magnetism residual magnetism and coercive force Hysteresis loss and Flux Flux and MMF coercive force and residual magnetism residual magnetism and coercive force ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Who is the vice president of India? (As on 22/07/2015) O.P. Kohli Dr. Hamid Ansari Nazama heptulla Pranav Mukharjee O.P. Kohli Dr. Hamid Ansari Nazama heptulla Pranav Mukharjee ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The steady state stability of the power systems is most effected by voltage at generator bus power factor of the load transmission line reactance stability of generator voltage at generator bus power factor of the load transmission line reactance stability of generator ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is leading zero unity lagging leading zero 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 line current in a three phase unbalanced load are Ir= 4+j6, Ib= 2-j2 and Ic= -3+j2, then zero sequence component of current will be 1 + j2 3 + j6 3 - j6 9 + j10 1 + j2 3 + j6 3 - j6 9 + j10 ANSWER DOWNLOAD EXAMIANS APP
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