GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 2\3 6\7 7\8 5\6 2\3 6\7 7\8 5\6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
GETCO Exam Paper (22-07-2015) Which of the following is the wrong statement in terms of slack bus? it should be the largest generator bus in the system it has finite reactive power generation capability voltage and angle is specified at this bus it should be located at the centre of the area it should be the largest generator bus in the system it has finite reactive power generation capability 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) 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) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 0 N-m 22 N-m 10 N-m 23.5 N-m 0 N-m 22 N-m 10 N-m 23.5 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) Jyotigram Yojana is pertaining to Supplying resedential and other power separately Developing agricultural land Supplying 100% reliable power for street light of villages Supplying 100% reliable power to villages Supplying resedential and other power separately Developing agricultural land Supplying 100% reliable power for street light of villages Supplying 100% reliable power to villages ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Differential equation is required to be solved in _____ Load flow studies economical operation of power systems Stability studies Finding efficiency of a transmission line Load flow studies economical operation of power systems Stability studies Finding efficiency of a transmission line ANSWER DOWNLOAD EXAMIANS APP
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