GETCO Exam Paper (22-07-2015) In a thermal power plant, heat from the flue gases is recovered in condenser Electric precipitator chimney Economizer condenser Electric precipitator chimney Economizer 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 23.5 N-m 0 N-m 22 N-m 10 N-m 23.5 N-m 0 N-m 22 N-m 10 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) In G-S method of power flow problem, the number of iterations _____ depends on voltage control buses remains fixed depends on tolerance depends on no of buses depends on voltage control buses remains fixed depends on tolerance depends on no of buses ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Switching over voltages Harmonics Corona Load power factor Switching over voltages Harmonics Corona Load power factor ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Penalty factor in power system economical operation is measure of Line loss fuel cost generation cost all are correct Line loss fuel cost generation cost all are correct ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is zero unity lagging leading zero unity lagging leading 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
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