GETCO Exam Paper (22-07-2015) Which of the following is the wrong statement in terms of slack bus? it has finite reactive power generation capability it should be the largest generator bus in the system voltage and angle is specified at this bus it should be located at the centre of the area it has finite reactive power generation capability it should be the largest generator bus in the system voltage and angle is specified at this bus it should be located at the centre of the area ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Harmonics Load power factor Corona Switching over voltages Harmonics Load power factor Corona Switching over voltages ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In the standard B-H curve X axis and Y axis intercepts respctively represents residual magnetism and coercive force Flux and MMF coercive force and residual magnetism Hysteresis loss and Flux residual magnetism and coercive force Flux and MMF coercive force and residual magnetism Hysteresis loss and Flux ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to reduce the effect of non identical CTs block harmonics increase the relay sensitivity increase the current limit reduce the effect of non identical CTs block harmonics increase the relay sensitivity increase the current limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is depends on load different same depends on transformer design depends on load different same depends on transformer design ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 23.5 N-m 0 N-m 10 N-m 22 N-m 23.5 N-m 0 N-m 10 N-m 22 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
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